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San Jose (CA)
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San Jose (CA)
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United States weather

Weather in San Jose, California for August 2025

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

    Temperatures

  • Expect cooler weather in first days of August 2025 in San Jose with the forecast suggesting a temperature of 33.9 °F, lower than the historical average.

  • In general, the average temperature in San Jose at the beginning of August is 33.4 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 31.7 °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

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
31
Dry days
Average rainy days
0
Rainy days
Average snowy days
0
Snow days
Average temperatures
31°/15°
Temperatures
Average wind speed
14 km/h
Avg max wind
Average humidity
51 %
Avg humidity

San Jose Weather August

Move between months or click on a day
July
September
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Partly cloudy
33°
2
Sunny
33°
3
Sunny
32°
4
Sunny
31°
5
Sunny
34°
6
Sunny
36°
7
Sunny
35°
8
Sunny
37°
9
Sunny
37°
10
Sunny
36°
11
Sunny
36°
12
Sunny
37°
13
Partly cloudy
32°
14
Partly cloudy
33°
15
Sunny
32°
16
Sunny
33°
17
Overcast
31°
18
Cloudy
29°
19
Partly cloudy
30°
20
Sunny
31°
21
Patchy rain possible
28°
22
Partly cloudy
28°
23
Sunny
29°
24
Sunny
28°
25
Sunny
29°
26
Cloudy
32°
27
Cloudy
32°
28
Mist
33°
29
Mist
32°
30
Partly cloudy
33°
31
Overcast
31°

Temperatures trend during August in San Jose

See the weather trend as well as the moving average line

August weather in San Jose day by day

Click on a date for more information
July September
Date Weather Temperatures Rain UV More
Aug. 1 Partly cloudy
Partly cloudy
 33° /14° 0 mm 2.7
Aug. 2 Sunny
Sunny
 33° /14° 0 mm 0
Aug. 3 Sunny
Sunny
 32° /14° 0 mm 6
Aug. 4 Sunny
Sunny
 31° /14° 0 mm 6
Aug. 5 Sunny
Sunny
 34° /15° 0 mm 6
Aug. 6 Sunny
Sunny
 36° /15° 0 mm 6
Aug. 7 Sunny
Sunny
 35° /16° 0 mm 6
Aug. 8 Sunny
Sunny
 37° /16° 0 mm 6
Aug. 9 Sunny
Sunny
 37° /16° 0 mm 6
Aug. 10 Sunny
Sunny
 36° /16° 0 mm 6
Aug. 11 Sunny
Sunny
 36° /18° 0 mm 7
Aug. 12 Sunny
Sunny
 37° /19° 0 mm 7
Aug. 13 Partly cloudy
Partly cloudy
 32° /14° 0 mm 8
Aug. 14 Partly cloudy
Partly cloudy
 33° /17° 0 mm 8
Aug. 15 Sunny
Sunny
 32° /15° 0 mm 8
Aug. 16 Sunny
Sunny
 33° /16° 0 mm 9
Aug. 17 Overcast
Overcast
 31° /15° 0 mm 7
Aug. 18 Cloudy
Cloudy
 29° /14° 0.1 mm 7
Aug. 19 Partly cloudy
Partly cloudy
 30° /13° 0 mm 8
Aug. 20 Sunny
Sunny
 31° /14° 0.1 mm 8
Aug. 21 Patchy rain possible
Patchy rain possible
 28° /15° 0.4 mm 7
Aug. 22 Partly cloudy
Partly cloudy
 28° /15° 0 mm 8
Aug. 23 Sunny
Sunny
 29° /14° 0 mm 8
Aug. 24 Sunny
Sunny
 28° /14° 0 mm 8
Aug. 25 Sunny
Sunny
 29° /13° 0 mm 8
Aug. 26 Cloudy
Cloudy
 32° /13° 0 mm 8
Aug. 27 Cloudy
Cloudy
 32° /13° 0 mm 8
Aug. 28 Mist
Mist
 33° /14° 0 mm 8
Aug. 29 Mist
Mist
 32° /14° 0 mm 8
Aug. 30 Partly cloudy
Partly cloudy
 33° /14° 0 mm 8
Aug. 31 Overcast
Overcast
 31° /14° 0 mm 8
Next
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.
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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 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 14 km/h, 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 ☀️

Quick links

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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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