San Jose
August
Weather in San Jose for August 2025
Your guide to San Jose weather in August - trends and predictions
In general, the average temperature in San Jose at the beginning of August is 32 °F. As the month progressed, temperatures tended to slightly decrease, reaching an average of 31.7 °F by the end of August.
Precipitation in San Jose during August is a rare event, with an average of fewer than 2 rainy days.
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30
Dry days
1
Rainy days
0
Snow days
31°/15°
Temperatures
14 km/h
Avg max wind
55 %
Avg humidity
San Jose in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  29° | 2  30° | 3 30° | ||||
| 4 31° | 5  33° | 6  36° | 7 35° | 8 30° | 9 31° | 10 30° |
| 11  28° | 12 30° | 13 32° | 14 33° | 15 32° | 16 33° | 17 31° |
| 18 29° | 19 30° | 20 31° | 21 28° | 22 28° | 23 29° | 24 28° |
| 25 29° | 26 32° | 27 32° | 28  33° | 29 32° | 30 33° | 31 31° |
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Temperatures trend during August in San Jose
See the weather trend as well as the moving average line
August weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 | Overcast | 29° /14° | 0 mm | 7 | |
| Aug. 2 | Patchy rain possible | 30° /14° | 0.1 mm | 7 | |
| Aug. 3 | Overcast | 30° /14° | 0 mm | 7 | |
| Aug. 4 | Overcast | 31° /14° | 0 mm | 7 | |
| Aug. 5 | Cloudy | 33° /14° | 0 mm | 8 | |
| Aug. 6 | Sunny | 36° /15° | 0 mm | 9 | |
| Aug. 7 | Sunny | 35° /16° | 0 mm | 9 | |
| Aug. 8 | Patchy rain possible | 30° /14° | 0.1 mm | 7 | |
| Aug. 9 | Patchy rain possible | 31° /14° | 0.1 mm | 7 | |
| Aug. 10 | Cloudy | 30° /14° | 0 mm | 7 | |
| Aug. 11 | Partly cloudy | 28° /14° | 0 mm | 7 | |
| Aug. 12 | Partly cloudy | 30° /14° | 0 mm | 8 | |
| Aug. 13 | Partly cloudy | 32° /14° | 0 mm | 8 | |
| Aug. 14 | Partly cloudy | 33° /17° | 0 mm | 8 | |
| Aug. 15 | Sunny | 32° /15° | 0 mm | 8 | |
| Aug. 16 | Sunny | 33° /16° | 0 mm | 9 | |
| Aug. 17 | Overcast | 31° /15° | 0 mm | 7 | |
| Aug. 18 | Cloudy | 29° /14° | 0.1 mm | 7 | |
| Aug. 19 | Partly cloudy | 30° /13° | 0 mm | 8 | |
| Aug. 20 | Sunny | 31° /14° | 0.1 mm | 8 | |
| Aug. 21 | Patchy rain possible | 28° /15° | 0.4 mm | 7 | |
| Aug. 22 | Partly cloudy | 28° /15° | 0 mm | 8 | |
| Aug. 23 | Sunny | 29° /14° | 0 mm | 8 | |
| Aug. 24 | Sunny | 28° /14° | 0 mm | 8 | |
| Aug. 25 | Sunny | 29° /13° | 0 mm | 8 | |
| Aug. 26 | Cloudy | 32° /13° | 0 mm | 8 | |
| Aug. 27 | Cloudy | 32° /13° | 0 mm | 8 | |
| Aug. 28 | Mist | 33° /14° | 0 mm | 8 | |
| Aug. 29 | Mist | 32° /14° | 0 mm | 8 | |
| Aug. 30 | Partly cloudy | 33° /14° | 0 mm | 8 | |
| Aug. 31 | Overcast | 31° /14° | 0 mm | 8 | |
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Important Notice
Our weather forecast for San Jose 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 San Jose forecast closer to your planned date for the most up-to-date weather information.
San Jose in August - FAQ
What are the expected maximum and minimum temperatures in San Jose during August?
Expect warm days with temperatures around 31°, cooling to mild conditions of 15° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in San Jose during August?
Rainfall in San Jose during August is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 1 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 San Jose during August?
The average wind speed in San Jose during August is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
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