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Summer Weather in California United States

We show the summer climate in California by comparing the average summer weather in 5 representative places: Los Angeles, San Francisco, Sacramento, Palm Springs, and Eureka.

You can add or remove cities to customize the report to your liking. See all locations in California.

Los Angeles
United States
San Francisco
United States
Sacramento
United States
Palm Springs
United States
Eureka
United States
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Average Summer High and Low Temperature in California

Average Summer High and Low Temperature in CaliforniaJunJulAug40°F40°F50°F50°F60°F60°F70°F70°F80°F80°F90°F90°F100°F100°F110°F110°FSpringFall6064666575818384555657586870707160608592949176797797105106104495152516390918893102San FranciscoSan FranciscoPalm SpringsPalm SpringsLos AngelesLos AngelesSacramentoSacramento
The daily average high and low air temperature at 2 meters above the ground. The thin dotted lines are the corresponding perceived temperatures.

Los Angeles

Average Hourly Temperature in Los Angeles in the summerJunJulAug12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMSpringFallcoolcoolcomfortablewarmcool

San Francisco

Average Hourly Temperature in San Francisco in the summerJunJulAug12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMSpringFallcoldcoolcoolcomfortable

Sacramento

Average Hourly Temperature in Sacramento in the summerJunJulAug12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMSpringFallcoldcoolwarmhotcoolcomfortablecomfortablecomfortable

Palm Springs

Average Hourly Temperature in Palm Springs in the summerJunJulAug12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMSpringFallcomfortablewarmhotswelteringwarmhotwarmcomfortable

Eureka

Average Hourly Temperature in Eureka in the summerJunJulAug12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMSpringFallcoldcoolcold
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The average hourly temperature, color coded into bands. The shaded overlays indicate night and civil twilight.

Chance of Clearer Skies in the Summer in California

Chance of Clearer Skies in the Summer in CaliforniaJunJulAug0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%SpringFall838989907484618084San FranciscoSan FranciscoPalm SpringsPalm SpringsEurekaEurekaLos AngelesLos AngelesSacramentoSacramento
The percentage of time the sky is clear, mostly clear, or partly cloudy (i.e., less than 60% of the sky is covered by clouds).

Daily Chance of Precipitation in the Summer in California

Daily Chance of Precipitation in the Summer in CaliforniaJunJulAug0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%SpringFall11116612San FranciscoSan FranciscoPalm SpringsPalm SpringsEurekaEurekaLos AngelesLos AngelesSacramentoSacramento
The percentage of days in which precipitation is observed, excluding trace quantities.

Average Monthly Rainfall in the Summer in California

Average Monthly Rainfall in the Summer in CaliforniaJunJulAug0.0 in0.0 in0.5 in0.5 in1.0 in1.0 in1.5 in1.5 in2.0 in2.0 inSpringFall0.10.10.30.10.30.31.00.30.1San FranciscoSan FranciscoPalm SpringsPalm SpringsEurekaEurekaLos AngelesLos AngelesSacramentoSacramento
The average rainfall accumulated over the course of a sliding 31-day period centered on the day in question.

Hours of Daylight in the Summer in California

Hours of Daylight in the Summer in CaliforniaJunJulAug0 hr0 hr4 hr4 hr8 hr8 hr12 hr12 hr16 hr16 hr20 hr20 hr24 hr24 hrSpringFall14.314.413.812.9San FranciscoSan FranciscoPalm SpringsPalm SpringsEurekaEurekaLos AngelesLos AngelesSacramentoSacramento
The number of hours during which the Sun is at least partly above the horizon.

Chance of Muggy Conditions in the Summer in California

Chance of Muggy Conditions in the Summer in CaliforniaJunJulAug0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%SpringFall2761111San FranciscoSan FranciscoSacramentoSacramento
The percentage of time that is muggy, oppressive, or miserable (i.e., a dew point greater than 65°F).

Average Wind Speed in the Summer in California

Average Wind Speed in the Summer in CaliforniaJunJulAug0 mph0 mph1 mph1 mph2 mph2 mph3 mph3 mph4 mph4 mph5 mph5 mph6 mph6 mph7 mph7 mph8 mph8 mph9 mph9 mph10 mph10 mph11 mph11 mphSpringFall6.15.65.35.39.69.08.38.06.87.07.16.47.55.95.69.7Palm SpringsPalm SpringsEurekaEurekaLos AngelesLos Angeles
The average of mean hourly wind speeds at 10 meters above the ground.

Tourism Score in the Summer in California

Tourism Score in the Summer in CaliforniaJunJulAug00224466881010SpringFall8.08.68.68.46.06.97.47.67.67.36.25.46.03.34.54.8San FranciscoSan FranciscoPalm SpringsPalm SpringsEurekaEurekaLos AngelesLos AngelesSacramentoSacramento
The tourism score, which favors clear, rainless days with perceived temperatures between 65°F and 80°F.

Beach/Pool Score in the Summer in California

Beach/Pool Score in the Summer in CaliforniaJunJulAug00224466881010SpringFall2.74.75.85.60.71.11.11.54.33.86.87.67.27.50.10.10.2San FranciscoSan FranciscoPalm SpringsPalm SpringsEurekaEurekaLos AngelesLos AngelesSacramentoSacramento
The beach/pool score, which favors clear, rainless days with perceived temperatures between 75°F and 90°F.

Growing Season in the Summer in California

Growing Season in the Summer in CaliforniaJunJulAug0%0%20%20%40%40%60%60%80%80%100%100%SpringFallSan FranciscoSan FranciscoPalm SpringsPalm SpringsEurekaEurekaLos AngelesLos AngelesSacramentoSacramento
The percentage chance that a given day is within the growing season, defined as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).

Growing Degree Days in the Summer in California

Growing Degree Days in the Summer in CaliforniaJunJulAug1,000°F1,000°F2,000°F2,000°F3,000°F3,000°F4,000°F4,000°F5,000°F5,000°F6,000°F6,000°F7,000°F7,000°FSpringFallSan FranciscoSan FranciscoPalm SpringsPalm SpringsEurekaEurekaLos AngelesLos AngelesSacramentoSacramento
The average growing degree days accumulated over the course of the summer, where growing degree days are defined as the integral of warmth above a base temperature (50°F in this case).

Average Water Temperature in the Summer in California

Average Water Temperature in the Summer in CaliforniaJunJulAug50°F50°F55°F55°F60°F60°F65°F65°F70°F70°FSpringFall636668685355575864677070535455San FranciscoSan FranciscoPalm SpringsPalm SpringsEurekaEurekaLos AngelesLos Angeles
The daily average wide-area surface water temperature.

Average Daily Incident Shortwave Solar Energy in the Summer in California

Average Daily Incident Shortwave Solar Energy in the Summer in CaliforniaJunJulAug0 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWh9 kWh9 kWhSpringFall8.38.47.97.07.97.38.16.5San FranciscoSan FranciscoPalm SpringsPalm SpringsEurekaEurekaLos AngelesLos AngelesSacramentoSacramento
The average daily shortwave solar energy reaching the ground per square meter.

This report illustrates the typical weather for Los Angeles, San Francisco, Sacramento, Palm Springs, and Eureka, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.

The details of the data sources used on this page vary between places and are discussed in detail on each place's dedicated page:

Disclaimer

The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site.

We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands.

We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader.

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