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Weather in San Jose for August 2025

Your guide to San Jose weather in August - trends and predictions

    Temperatures

  • In general, the average temperature in San Jose at the beginning of August is 89 °F. As the month progressed, temperatures tended to slightly decrease, reaching an average of 89 °F by the end of August.

  • Rain 🌧️

  • Precipitation in San Jose during August is a rare event, with an average of fewer than 2 rainy days.

  • More

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Average dry days
31
Dry days
Average rainy days
0
Rainy days
Average snowy days
0
Snow days
Average temperatures
87°/59°
Temperatures
Average wind speed
8.7 mph
Avg max wind
Average humidity
51 %
Avg humidity

San Jose Weather August

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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

Click on a date for more information
Date Weather Temperatures Rain UV More
Aug. 1 Overcast
Overcast
84° /57° 0 in 7
Aug. 2 Patchy rain possible
Patchy rain possible
86° /57° 0 in 7
Aug. 3 Overcast
Overcast
86° /57° 0 in 7
Aug. 4 Overcast
Overcast
87° /57° 0 in 7
Aug. 5 Cloudy
Cloudy
91° /57° 0 in 8
Aug. 6 Sunny
Sunny
96° /59° 0 in 9
Aug. 7 Sunny
Sunny
95° /60° 0 in 9
Aug. 8 Patchy rain possible
Patchy rain possible
86° /57° 0 in 7
Aug. 9 Patchy rain possible
Patchy rain possible
87° /57° 0 in 7
Aug. 10 Cloudy
Cloudy
86° /57° 0 in 7
Aug. 11 Partly cloudy
Partly cloudy
82° /57° 0 in 7
Aug. 12 Partly cloudy
Partly cloudy
86° /57° 0 in 8
Aug. 13 Partly cloudy
Partly cloudy
89° /57° 0 in 8
Aug. 14 Partly cloudy
Partly cloudy
91° /62° 0 in 8
Aug. 15 Sunny
Sunny
89° /59° 0 in 8
Aug. 16 Sunny
Sunny
91° /60° 0 in 9
Aug. 17 Overcast
Overcast
87° /59° 0 in 7
Aug. 18 Cloudy
Cloudy
84° /57° 0 in 7
Aug. 19 Partly cloudy
Partly cloudy
86° /55° 0 in 8
Aug. 20 Sunny
Sunny
87° /57° 0 in 8
Aug. 21 Patchy rain possible
Patchy rain possible
82° /59° 0.02 in 7
Aug. 22 Partly cloudy
Partly cloudy
82° /59° 0 in 8
Aug. 23 Sunny
Sunny
84° /57° 0 in 8
Aug. 24 Sunny
Sunny
82° /57° 0 in 8
Aug. 25 Sunny
Sunny
84° /55° 0 in 8
Aug. 26 Cloudy
Cloudy
89° /55° 0 in 8
Aug. 27 Cloudy
Cloudy
89° /55° 0 in 8
Aug. 28 Mist
Mist
91° /57° 0 in 8
Aug. 29 Mist
Mist
89° /57° 0 in 8
Aug. 30 Partly cloudy
Partly cloudy
91° /57° 0 in 8
Aug. 31 Overcast
Overcast
87° /57° 0 in 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 87°, cooling to mild conditions of 59° 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 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 San Jose during August?
The average wind speed in San Jose during August is 8.7 mph, suggesting breezy to windy conditions, depending on your activities.

August rainfall patterns in San Jose

Explore the daily rainfall trends and prepare for San Joses August weather 💧

UV exposure in San Jose during August

Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️

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Location coordinates Where is San Jose?

Get accurate weather forecasts for San Jose, located at latitude 37.339 and longitude -121.895. Stay updated with localized weather information tailored for San Jose.

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