Climate change poses an immediate and growing threat to California’s environment, public health, and economic vitality. East Los Angeles, the Gateway Cities, and parts of the San Gabriel Valley average the warmest winter high temps (72 °F, 22 °C) in all of the western U.S., and Santa Monica averages the warmest winter lows (52 °F, 11 °C) in all of the western U.S. Palm Springs, a city in the Coachella Valley, averages high/low/mean temperatures of 75 °F/50 °F/63 °F, (24 °C/10 °C/17 °C) respectively during the period of cooler weather from November to April.[5]. California Partners With NASA For Climate Change Data A new partnership with Pasadena-based Jet Propulsion Laboratory (NASA JPL) will help state agencies better understand climate change impacts and identify opportunities to build resilience, conserve biodiversity and use California’s natural and working lands to store and remove carbon from the atmosphere. According to Köppen and Geiger, this climate is classified as Csc. California Climate Investments is a statewide initiative that puts billions of cap-and-trade dollars to work. Chula Vista The state of California covers a very large land area and has many different climates in different parts of the state. Coastal climates are generally considered Mediterranean and weather is generally mild through much of the rest of the state, but the state does also contain extreme climates in desert and mountain areas. Stations shown and additional stations may also be accessed here. San Diego The northern parts of the Central Valley receive substantially greater precipitation from winter storms which sweep down from the Pacific Northwest, while the southernmost regions of the Central Valley are near desert-like because of a lack of precipitation. the highest and lowest temperature readings during an entire month or year) calculated based on data at said location from 1981 to 2010. The winter months are much rainier than the summer months in San José. Download in CSV, KML, Zip, GeoJSON, GeoTIFF or PNG. Sacramento Explore the number of weather records broken over recent periods. Climate Like its topography, California's climate is varied and tends toward extremes. Featuring the work of NOAA scientists, each “snapshot” is a public-friendly version of an existing data product. According to Köppen and Geiger, this climate is classified as Csc. Riverside As rain patterns change, forests will become drier and susceptible to more frequent and intense fires. Moreno Valley The cool California Current offshore, enhanced by upwelling of cold sub-surface waters, often creates summer fog near the coast, creating a warm-summer Mediterranean climate (Köppen climate classification Csb). California Climate Investments is a statewide initiative that puts billions of cap-and-trade dollars to work reducing greenhouse gas emissions, strengthening the economy and improving public health and the environment—particularly in disadvantaged communities. Summers in inland California can see temperatures well over 100 °F (38 °C) during the day and less than 0.3 in (7.6 mm) of monthly rainfall, particularly in the southern areas. Garden Grove Here you can find data related to climate change that can help inform and prepare America’s communities, businesses, and citizens. These data include quality controlled daily, monthly, seasonal, and yearly measurements of temperature, precipitation, wind, and degree days as well as radar data and 30-year Climate Normals. Darker oranges and reds suggest up to a 10-fold increase in potential area burned. Information generally includes a description of each dataset, links to related tools, FTP access, and downloadable samples. The lowest was -45 degrees in Boca on January 20, 1937. The average temperature in San Francisco is 14.1 °C | 57.5 °F. Despite its long coastline, California is not vulnerable to tropical cyclones. Temperatures of 130 °F (54 °C) or higher have been recorded as recently as 2005. Further inland, the climate becomes more continental, with some areas turning semi-arid (Köppen BSk), with colder winters and markedly hotter summers. Fresno Climate Data Online: Dataset Discovery Click on each dataset name to expand and view more details. The Central Valley has a wide range of precipitation. Mean monthly maxima and minima (i.e. Over time, you will be able to find additional data … Rancho Cucamonga Long Beach The Köppen-Geiger climate classification is Csc. Sea Level Rise - Map Viewer. The climate of Los Angeles is a year-round mild-to-hot and mostly dry climate for the LA metropolitan area in California.The climate is classified as a Mediterranean climate, which is a type of dry subtropical climate.It is characterized by seasonal changes in rainfall—with a dry summer and a winter rainy season. The Köppen-Geiger climate classification is Csc. The large Westerly winds from the oceans also bring moisture, and the northern parts of the state generally receive higher annual rainfall amounts than the south. California's coastal regions, the Sierra Nevada foothills, and much of the Central Valley have a Mediterranean climate, with warmer, drier weather in summer and cooler, wetter weather in winter. The annual rainfall is 537 mm | 21.1 inch. the expected highest and lowest temperature readings at any point during the year or given month) calculated based on data at said location from 1981 to 2010. The climate here is mild, and generally warm and temperate. The highest reliably recorded temperature in the world,[6][7] 134 °F (56.7 °C), was recorded in Death Valley on July 10, 1913. About the California Climate Hub Our mission is to help California land users (farmers, ranchers, forest landowners, and tribes) and land managers maintain sustainable communities and ecosystems by adapting to climate variability and change. The Climate Change and Health Equity Program (CCHEP) embeds health and equity in California climate change planning, and embeds climate change and equity in public health planning. California's mountain ranges influence the climate as well: moisture-laden air from the west cools as it ascends the mountains, dropping moisture; some of the rainiest parts of the state are west-facing mountain slopes. Stockton Hotter conditions due to climate change could lead to loss of soil moisture. Calclim is sponsored by the California Energy Commission and is a joint effort between the Scripps Institution of Oceanography and the Western Regional Climate Center. The highest temperature ever recorded in California was 134 °F (57 °C) in Death Valley on July 10, 1913. “California Trout commends Senate President pro Tempore Kevin de León, and Senators Ben Hueso, Mark Leno, Fran Pavley and Bob Wieckowski for their leadership in forging the new green economy and for supporting the extension of AB 32, which is a crucial part of California’s response to climate change. The effects have been painfully felt. Take the next step and create StoryMaps and Web Maps. Monthly: 1981-2010 normals Bakersfield Launch Data … Annual Weather Averages Near San Diego. During the El Niño phase, the jet stream is located south through California, allowing for warmer temperatures and more heavy rains to occur, particularly in the southern portions of the state. The climate here is mild, and generally warm and temperate. 2 California Climate Science and Data June 2015 Tem PeRaTUR es California temperatures have shown a warming trend in the past century. [3] In Southern California, the figures are approximately 4 °F and 23 °F (2 °C and 13 °C), respectively. About 429 mm | 16.9 inch of precipitation falls annually. Ski resorts at Lake Tahoe, Mammoth Lakes, and Mount Shasta routinely receive over 10 feet (3.0 m) of snow in a season, and some years, substantially more – leading, for example, to annual ski races on the Fourth of July. Products. Find API links for GeoServices, WMS, and WFS. This makes them prone to wildfires. For more information, see. The following are terms used to describe local or regional weather events. In winter, there is much more rainfall in San Francisco than in summer. There is more rainfall in the winter than in the summer in Oakland. Monthly averages Riverside Longitude: -117.396, Latitude: 33.9534 Average weather Riverside, CA - 92501. Climate Data Online (CDO) provides free access to NCDC's archive of global historical weather and climate data in addition to station history information. The influence of the ocean generally moderates temperature extremes, creating warmer winters and substantially cooler summers in coastal areas. Fontana Deadly severe wildfires in California have scientists scrutinizing the underlying factors that could influence future extreme events. Newsom has pointed directly at climate change as the source of the extreme heat wave and a primary factor in the scores of wildfires plaguing California. The high mountains, including the Sierra Nevada, the Cascade Range, and the Klamath Mountains, have a mountain climate with snow in winter and mild to moderate heat in summer. The ENSO cycle has a huge effect on rainfall and snowfall patterns in California, especially during the winter and spring seasons. Official records for Sacramento were kept exclusively at the airport since 10 November 1941. Modesto These can be life-threatening and cause evacuation. Official precipitation records for San Diego were kept at the Weather Bureau Office in downtown from October 1850 to December 1859 at the, Learn how and when to remove this template message, https://www.infoplease.com/science-health/weather/california-temperature-extremes, List of wettest known tropical cyclones in California, National Oceanic and Atmospheric Administration, "World Meteorological Organization Assessment of the Purported World Record 58°C Temperature Extreme at El Azizia, Libya (13 September 1922)", "World Meteorological Organization World Weather / Climate Extremes Archive", "Fresno Yosemite International Airport, California", "Los Angeles Downtown University of Southern California Campus, California", "Sacramento Executive Airport, California", "Station Name: CA FRESNO YOSEMITE INTL AP", "WMO Climate Normals for FRESNO/AIR TERMINAL CA 1961–1990", "Average Weather for Fresno, CA – Temperature and Precipitation", "Station Name: CA LOS ANGELES DWTN USC CAMPUS", "WMO Climate Normals for LOS ANGELES/INTL, CA 1961–1990", "Station Name: CA SACRAMENTO EXECUTIVE AP", "WMO Climate Normals for SACRAMENTO/EXECUTIVE ARPT CA 1961–1990", https://www.sacbee.com/news/databases/article5555742.html, "San Francisco/Mission Dolores, CA Climate Normals 1961–1990", History of weather observations San Diego, California 1849–1948, "Station Name: CA San Diego Lindbergh FLD", "San Diego/Lindbergh Field CA Climate Normals 1961–1990", https://en.wikipedia.org/w/index.php?title=Climate_of_California&oldid=995730754, Articles needing additional references from March 2014, All articles needing additional references, Articles needing additional references from October 2014, Articles with unsourced statements from September 2009, Creative Commons Attribution-ShareAlike License, Source: NOAA (relative humidity and sun 1961–1990), Source: NOAA (relative humidity and dew point 1961–1990), Source: NOAA (relative humidity, dew point and sun 1961–1990), Source: NOAA (sun, relative humidity, and dew point 1961–1990), This page was last edited on 22 December 2020, at 16:07. Data and Indicators: Excel files with data for California, its counties, cities, towns, and census tracts (depending on availability) and narratives in PDF files for each indicator. It is common in the summer for temperatures in the valley to reach 120 °F (49 °C). In winter, there is much more rainfall in San Francisco than in summer. Mean monthly maxima and minima (i.e. California's coastal regions, the Sierra Nevada foothills, and much of the Central Valley have a Mediterranean climate, with warmer, drier weather in summer and cooler, wetter weather in winter. Northwestern California has a temperate climate with rainfall of 15 inches (380 mm) to 50 inches (1,300 mm) per year. Generally there are two seasons—a long, dry summer, with low humidity and cool evenings, and a mild, rainy winter—except in the high mountains, where four seasons prevail and snow lasts from November to April. Station Data. At the coast in Santa Monica, the average high in August is 75 °F (24 °C), while in Burbank, approximately 10 miles (16 km) inland, the average high in August is 95 °F (35 °C): a temperature gain of about two degrees Fahrenheit per mile. Current California Climate At-A-Glance The report is intended to promote scientific analysis to inform decision-making on mitigating and adapting to climate change and to serve as a resource for decision makers, scientists, educators, and the public. Anaheim Oakland The temperature here averages 15.8 °C | 60.4 °F. Irvine The vulnerability of the water sector to climate change stems from a modifed hydrology that affects the frequency, magnitude, and dura-tion of extreme events, which, in turn, affect water quantity, quality, and Analyze with charts and thematic maps. The climate here is mild, and generally warm and temperate. The extreme southwest, around San Diego, has a subtropical semi-arid or steppe climate (Koppen BSh) as winters are drier there. Welcome to Calclim, the California Climate Data Archive Calclim is a climate monitoring and data access website for the state of California. California Climate Science and Data 1 Introduction Climate change creates critical chal-lenges for California water resources management. The winters are rainier than the summers in Santa Barbara. California's desert climate regions lie east of the high Sierra Nevada and southern California's Transverse Ranges and Peninsular Ranges. In winter, there is much more rainfall in Fremont than in summer. Monthly: 1981-2010 normals History: 2008-2009 Annual Weather Averages Near California City. These data can serve as the basis for indicators that track trends over time. In San Francisco, the climate is warm and temperate. The Köppen-Geiger climate classification is Csc. We welcome your input as … San José In San Francisco, the climate is warm and temperate. Also includes average precipitation, degree days, hours of sun, and more. Search climate datasets on Cal-Adapt and download data for various climate variables, scenarios and models using different spatial and temporal aggregation options in tabular and raster formats. Glendale California has many different climates, but the most prevalent ones are Csb, BSk, Csa. California's climate varies widely from hot desert to polar, depending on latitude, elevation, and proximity to the coast. The Köppen-Geiger climate classification is Csc. Monitoring and research efforts across the state generate observational data that describe changes that are already underway. Data and Products. The 24-hour average July temperature in Death Valley is 101.8 °F (38.8 °C) (1981–2010 NCDC Normals). Los Angeles The low deserts east of the southern California mountains, including the Imperial and Coachella valleys and the lower Colorado River, are part of the Sonoran Desert, with minimal frost in the winter; the higher elevation deserts of eastern California, including the Mojave Desert, Owens Valley, and the Modoc Plateau, are part of the Great Basin region, which has a more continental climate. You can currently find data and resources related to coastal flooding, food resilience, water, ecosystem vulnerability, human health, energy infrastructure,transportation, and the Arctic region. According to the Western Region Climate … For example, the average daily high in San Francisco in July and August is between 62 and 68 °F (17 and 20 °C),[1][2] and in Walnut Creek, some 20 miles (32 km) inland, the average daily high in July and August is 90 °F (32 °C): a temperature gain of more than one degree (Fahrenheit) per mile. Santa Ana The California State Climatologist collects and interprets climate data for California, and disseminates climate data and information through various means including this website. Sea Level Rise and Coastal Flooding Impacts. Climate Data Online > Data Tools > Daily Weather Records. California's climate varies widely from hot desert to polar, depending on latitude, elevation, and proximity to the coast. On the east side of the mountains is a drier rain shadow. The climate in Fremont is warm and temperate. Climate data and weather averages in San Diego. Wildfires are less common along the coast because of the cooler, more humid summers, but can occur in autumn when the marine layer is less common, making temperatures warmer and humidity drop significantly. Parts of the Valley are occasionally filled with thick fog (known locally as "tule fog"). During the summer months, especially from July through early September, the region is affected by the Mexican Monsoon (also called the "southwest monsoon"), which drives moisture from the tropical Pacific, Gulf of California, and/or Gulf of Mexico into the deserts, setting off brief, but often torrential thunderstorms, particularly over mountainous terrain. San Francisco The average temperature in Oakland is 14.6 °C | 58.2 °F. This is also the highest temperature ever recorded on Earth. Climate data and weather averages in California City. The average temperature in Fremont is 15.1 °C | 59.1 °F. Station Map and Data Access; Download Daily COOP Data; Climate Summary Maps; Comparative Climate Data; CA Station Network List; Analysis Tools; Links. California’s Climate Change Assessments contribute to the scientific foundation for understanding climate-related vulnerability at the local scale and informing resilience actions, while also directly informing State policies, plans, programs, and guidance, to promote effective and integrated action to safeguard California from climate change. Explore a range of easy-to-understand climate maps in a single interface. Call us at 1-800-757-2907 (Hablamos Español) The temperature gradient between immediate coast and low-lying inland valleys in the south is about 7 °F (4 °C) in winter, the coast being warmer, and in summer roughly 25 °F (14 °C), the interior being warmer. Oxnard Overview of the climate of the U.S. state of California, Climate data for Los Angeles (LAX), 1981–2010 normals, extremes 1944–present, Official records for Fresno kept September 1881 to 15 August 1887 at downtown, 16 August 1887 to June 1939 at Fresno City Offices, July 1939 to 20 August 1949 at Chandler Field, and at Fresno Yosemite Int'l since 21 August 1949. This map viewer illustrates the scale of potential coastal flooding after varying amounts of sea level rise. The rainfall here is around 362 mm | 14.3 inch per year. Santa Clarita Station Data. Discover, analyze and download data from California State Geoportal. During the La Niña phase, the jet stream is much further north, and therefore the far northern portions of California are wetter, while the southern half stays cool and dry. Related Research Groups; CA Climate Info Links; Access data for individual stations. © Climate-Data.org / AM OP / OpenStreetMap contributors. In a year, the rainfall is 527 mm | 20.7 inch. Elk Grove. Discover the Average Climate in California. Oceanside Monthly averages Sacramento Longitude: -121.493, Latitude: 38.5125 Average weather Sacramento, CA - 95822. The CalBRACE Project developed the Climate Change and Health Vulnerability Indicators utilizing the same methods used by the Healthy Communities Data and Indicators Project (HCI). Using climate simulations and paleoclimate data dating back to the 16th century, a recent study looks closely at long-term upper-level wind and … The southeastern regions have a hot arid climate (Koppen BWh), similar to that of the Sahara Desert. [4], During the cooler winter months (October–March), the Coachella Valley regularly has the warmest winter temperatures out of any place west of the Rocky Mountains. Some areas of Coast Redwood forest receive over 100 inches (2,500 mm) of precipitation per year. The California State Climatologist is a function of the Division of Flood Management and is a member of the American Association of State Climatologists. Averages are for San Diego - North Island, which is 3 miles from San Diego. The average temperature in San Francisco is 14.1 °C | 57.5 °F. In the northern portion of the Mojave Desert on the east side of the state is Death Valley, which has recorded temperatures among the highest in the world. Because of the cold California Current from the North Pacific Ocean and the fact that the storms tend to "steer" west, California has only been hit with two tropical storms in recorded history, a storm which came ashore in 1939 and dumped heavy rainfall on the Los Angeles Area and interior deserts and Tropical Storm Nora, Hurricane Dolores, and Hurricane Linda (2015) The remnants of tropical systems will affect California more commonly, every several years. San Bernardino The average temperature in San José is 15.4 °C | 59.7 °F. Huntington Beach Santa Barbara Averages are for Mojave Airport, which is 11 miles from California City. The annual rainfall is 385 mm | 15.2 inch. Ontario By 2050, under certain precipitation conditions, a study estimates California’s agricultural production could face climate-related water shortages of up to 16 percent in certain regions. The data in this climate tool display the projected increase in potential area burned given three different climate models and two different scenarios. Low-lying inland valleys, especially the Central Valley, have a hot-summer Mediterranean climate (Köppen Csa), with subtropical temperatures but a well-defined summer dry season and a foggy, rainy season in winter. Explore Find Resources. The influence of the ocean generally moderates temperature extremes, creating warmer winters and substantially cooler summers in coastal areas. 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