City and County of San Francisco (San Francisco)
August
Weather in City and County of San Francisco, California for August 2027
Your guide to City and County of San Francisco weather in August - trends and predictions
In general, the average temperature in City and County of San Francisco at the beginning of August is 19.5 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 20.5 °C by the end of August.
Precipitation in City and County of San Francisco during August is a rare event, with an average of fewer than 2 rainy days.
Is August a good time to visit City and County of San Francisco? check out the best time to travel to City and County of San Francisco page.
✨ Is August a good time to visit City and County of San Francisco? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
31
Dry days
0
Rainy days
0
Snow days
20°/13°
Temperatures
18 km/h
Avg max wind
82 %
Avg humidity
City and County of San Francisco Weather August
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Temperatures trend during August in City and County of San Francisco
See the weather trend as well as the moving average line
August weather in City and County of San Francisco day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 |  Patchy rain possible | 19° /13° | 0 mm | 6 | |
| Aug. 2 |  Sunny | 20° /13° | 0 mm | 7 | |
| Aug. 3 | Sunny | 20° /13° | 0 mm | 6 | |
| Aug. 4 |  Partly cloudy | 19° /12° | 0 mm | 5 | |
| Aug. 5 | Partly cloudy | 19° /12° | 0 mm | 4 | |
| Aug. 6 | Sunny | 20° /13° | 0 mm | 5 | |
| Aug. 7 | Sunny | 19° /13° | 0 mm | 5 | |
| Aug. 8 | Sunny | 18° /13° | 0 mm | 5 | |
| Aug. 9 | Sunny | 19° /13° | 0 mm | 5 | |
| Aug. 10 | Sunny | 19° /13° | 0 mm | 5 | |
| Aug. 11 | Sunny | 19° /13° | 0 mm | 4 | |
| Aug. 12 | Partly cloudy | 19° /13° | 0 mm | 5 | |
| Aug. 13 | Sunny | 20° /14° | 0 mm | 5 | |
| Aug. 14 | Partly cloudy | 20° /14° | 0.1 mm | 5 | |
| Aug. 15 | Sunny | 21° /14° | 0 mm | 6 | |
| Aug. 16 | Sunny | 21° /14° | 0 mm | 6 | |
| Aug. 17 |  Overcast | 20° /13° | 0 mm | 5 | |
| Aug. 18 | Overcast | 19° /13° | 0 mm | 5 | |
| Aug. 19 | Sunny | 19° /12° | 0 mm | 5 | |
| Aug. 20 | Sunny | 21° /13° | 0 mm | 5 | |
| Aug. 21 | Sunny | 19° /13° | 0.2 mm | 5 | |
| Aug. 22 | Sunny | 20° /13° | 0 mm | 6 | |
| Aug. 23 | Overcast | 20° /13° | 0 mm | 5 | |
| Aug. 24 | Partly cloudy | 19° /13° | 0 mm | 5 | |
| Aug. 25 | Sunny | 20° /13° | 0 mm | 5 | |
| Aug. 26 | Sunny | 22° /13° | 0 mm | 6 | |
| Aug. 27 | Sunny | 21° /14° | 0 mm | 6 | |
| Aug. 28 | Sunny | 21° /14° | 0 mm | 5 | |
| Aug. 29 | Sunny | 21° /13° | 0 mm | 6 | |
| Aug. 30 | Sunny | 21° /13° | 0 mm | 6 | |
| Aug. 31 | Sunny | 19° /13° | 0.4 mm | 5 | |
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Important Notice
Our weather forecast for City and County of San Francisco in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the City and County of San Francisco forecast closer to your planned date for the most up-to-date weather information.
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City and County of San Francisco in August - FAQ
What are the expected maximum and minimum temperatures in City and County of San Francisco during August?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in City and County of San Francisco during August?
Rainfall in City and County of San Francisco during August is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 0 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
What are the typical wind conditions in City and County of San Francisco during August?
The average wind speed in City and County of San Francisco during August is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
UV exposure in City and County of San Francisco during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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