Weather in San Francisco in august 2025

The weather in San Francisco in the month of august comes from statistical datas on the last years. You can view the weather statistics the entire month, but also by clicking on the tabs for the beginning, the middle and the end of the month.

Average weather throughout august

perfect weather UV index: 6

Weather at 6am
63°F

Partly Cloudy

35%

Heavy rain

5%

Cloudy

5%

Weather at 12pm
76°F

Partly Cloudy

9%

Moderate rain at times

1%

Heavy rain

1%

Weather at 6pm
67°F

Partly Cloudy

13%

Cloudy

1%

Moderate rain at times

1%

Weather at 3am
61°F

Clear/Sunny

50%

Partly Cloudy

33%

Fog

15%

Heavy rain

2%



Evolution of daily average temperature and precipitation in San Francisco in august

These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in San Francisco in august.


The climate of San Francisco in august is perfect

The rains which have withdrawn from the climatic landscape of the city of San Francisco, allow the beautiful sunny and pleasantly warm days to succeed one another. Even though the early hours of the day seem mild, the weather in San Francisco throughout August is simply ideal the rest of the time.

San Francisco at the Beginning of August

Mises à part les matinées qui connaissent encore une température douce et quelques brumes épais, les journées de la première décade d'août sont magnifiques, avec du beau soleil et une chaleur agréable. Aussi, les journées et les soirées offrent des moments agréables pour se détendre.

Apart from the mornings which still have a mild temperature and a few thick mists, the days of the first period of August are magnificent, with beautiful sunshine and pleasant warmth. Furthermore, the days and evenings offer pleasant moments to relax.

San Francisco in the Middle of August

Temperatures rise slightly during the second ten days of the month. This is what makes this period the best time to enjoy the beautiful climate throughout August in San Francisco. Of course, the morning fogs that characterize this city have not completely disappeared yet they have decreased in order to benefit the beautifully fresh and pleasant mornings.

San Francisco at the End of August

The climatic conditions of the last ten day period are likely to be disappointing to the August visitors due to the fall in temperatures. Indeed, the days become fresh once again, however as the rains remain weak - the beautiful sunny days allow to spend good times to practice any outdoor passion.



Seasonal average climate and temperature of San Francisco in august

Check below seasonal norms These datas are generated from the weather statements earlier years of the month of august.

August
Outside temperature
Average temperature 68°F
Highest temperature 76°F
Lowest temperature 63°F
Highest record temperature 103°F
(2010)
Lowest record temperature 54°F
(2010)
Number of days at +86°F 1 day(s)
(3%)
Number of days at +65°F 31 day(s)
(100%)
Sea temperature
Average sea temperature 57°F
Lowest sea temperature 55°F
Highest sea temperature 59°F
Wind
Wind speed 17km/h
Wind temperature 61°F
Precipitation (rainfall)
Rainfall 0.2in
Record daily rainfall 0.2in
(2017)
Other climate data
Humidity 82%
Visibility 9.61km
Cloud cover 13%
UV index 6
Daily sunshine hours 14
Sunrise and sunset
Time of sunrise 05:26
Time of sunset 19:02
Length of day 13:36
Our opinion about the weather in august
Our opinion at whereandwhen.net perfect



How was the weather last august?

Here is the day by day recorded weather in San Francisco in august 2024:

01-08-2024
Clear/Sunny
58°F to 63°F
02-08-2024
Clear/Sunny
58°F to 63°F
03-08-2024
Clear/Sunny
58°F to 63°F
04-08-2024
Clear/Sunny
56°F to 63°F
05-08-2024
Clear/Sunny
56°F to 63°F
06-08-2024
Clear/Sunny
56°F to 65°F
07-08-2024
Clear/Sunny
56°F to 63°F
08-08-2024
Clear/Sunny
56°F to 61°F
09-08-2024
Clear/Sunny
56°F to 61°F
10-08-2024
Clear/Sunny
56°F to 61°F
11-08-2024
Clear/Sunny
56°F to 61°F
12-08-2024
Clear/Sunny
56°F to 59°F
13-08-2024
Clear/Sunny
56°F to 61°F
14-08-2024
Clear/Sunny
56°F to 63°F
15-08-2024
Clear/Sunny
56°F to 63°F
16-08-2024
Clear/Sunny
56°F to 63°F
17-08-2024
Clear/Sunny
58°F to 65°F
18-08-2024
Patchy rain nearby
56°F to 61°F
19-08-2024
Clear/Sunny
54°F to 63°F
20-08-2024
Clear/Sunny
58°F to 65°F
21-08-2024
Clear/Sunny
58°F to 63°F
22-08-2024
Clear/Sunny
58°F to 63°F
23-08-2024
Partly Cloudy
58°F to 63°F
24-08-2024
Clear/Sunny
58°F to 65°F
25-08-2024
Clear/Sunny
58°F to 67°F
26-08-2024
Clear/Sunny
58°F to 68°F
27-08-2024
Patchy rain nearby
58°F to 68°F
28-08-2024
Clear/Sunny
58°F to 67°F
29-08-2024
Clear/Sunny
59°F to 67°F
30-08-2024
Clear/Sunny
59°F to 65°F
31-08-2024
Clear/Sunny
58°F to 65°F

Map: other cities in California in august

Cities near San Francisco:

Golden Gate National Recreation Area in augustperfect weather
Oakland in augustperfect weather
Stinson Beach in augustperfect weather
Moss Beach in augustgood weather
Half Moon Bay in augustgood weather
Silicon Valley in augustperfect weather
Point Reyes in augustperfect weather
Pescadero in augustperfect weather
San Jose in augustperfect weather
Napa Valley in augustperfect weather
Bodega Bay in augustperfect weather
Santa Cruz California in augustperfect weather
California in august: See full list of cities

Click over cities on the map for information about the weather in august.

Legend: San Francisco perfect weather good tolerable bad very bad


Weather data for San Francisco in august:

Weather data for San Francisco for august are derived from an average of the weather forecast since 2009 in San Francisco. There is a margin of error and these forecasts are to be considered as general information only. The weather in San Francisco can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to San Francisco.


Weather in july in San Francisco
Weather in september in San Francisco
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