San Jose (CA)
June
Weather in San Jose, California for June 2026
Your guide to San Jose weather in June - trends and predictions
Red Flag Warning - See hour by hour.
Until now, June 2026 in San Jose is slightly cooler than the historical average by -0.7 °F.
The forecast for the coming days of June 2026 predicts a temperature of 33.6 °F , which is warmer than usual.
In general, the average temperature in San Jose at the beginning of June is 27.3 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 30.7 °F by the end of June.
With an average of 2 rainy days, San Jose experiences minimal rainfall in June.
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Temperatures
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28
Dry days
2
Rainy days
0
Snow days
27°/12°
Temperatures
14 km/h
Avg max wind
57 %
Avg humidity
San Jose Weather June
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Temperatures trend during June in San Jose
See the weather trend as well as the moving average line
June weather in San Jose day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jun. 1 |  Sunny | 27° /11° | 0.1 mm | 8 | |
| Jun. 2 | Sunny | 27° /11° | 0 mm | 8 | |
| Jun. 3 | Sunny | 26° /11° | 0 mm | 8 | |
| Jun. 4 | Sunny | 29° /11° | 0 mm | 9 | |
| Jun. 5 | Sunny | 29° /12° | 0 mm | 8 | |
| Jun. 6 | Sunny | 27° /13° | 0.3 mm | 8 | |
| Jun. 7 | Sunny | 26° /12° | 0 mm | 8 | |
| Jun. 8 |  Partly cloudy | 26° /12° | 0 mm | 8 | |
| Jun. 9 | Partly cloudy | 26° /13° | 0 mm | 8 | |
| Jun. 10 | Sunny | 27° /12° | 0 mm | 8 | |
| Jun. 11 | Sunny | 37° /17° | 0 mm | 10.3 | |
| Jun. 12 | Sunny | 36° /15° | 0 mm | 10.4 | |
| Jun. 13 | Sunny | 35° /15° | 0 mm | 10.6 | |
| Jun. 14 | Sunny | 36° /14° | 0 mm | 10.4 | |
| Jun. 15 | Sunny | 35° /15° | 0 mm | 0 | |
| Jun. 16 | Sunny | 37° /16° | 0 mm | 6 | |
| Jun. 17 | Sunny | 36° /14° | 0 mm | 6 | |
| Jun. 18 | Sunny | 31° /10° | 0 mm | 5 | |
| Jun. 19 | Sunny | 29° /9° | 0 mm | 5 | |
| Jun. 20 | Sunny | 27° /8° | 0 mm | 5 | |
| Jun. 21 | Sunny | 29° /8° | 0 mm | 5 | |
| Jun. 22 | Sunny | 32° /9° | 0 mm | 5 | |
| Jun. 23 | Sunny | 35° /11° | 0 mm | 6 | |
| Jun. 24 | Sunny | 35° /13° | 0 mm | 6 | |
| Jun. 25 | Partly cloudy | 28° /12° | 0 mm | 7 | |
| Jun. 26 |  Overcast | 27° /13° | 0 mm | 6 | |
| Jun. 27 | Overcast | 29° /11° | 0 mm | 7 | |
| Jun. 28 | Sunny | 31° /13° | 0 mm | 7 | |
| Jun. 29 | Sunny | 32° /13° | 0 mm | 8 | |
| Jun. 30 | Sunny | 33° /15° | 0 mm | 8 | |
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Important Notice
Our weather forecast for San Jose in June 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 June - FAQ
What are the expected maximum and minimum temperatures in San Jose during June?
Enjoy moderate daytime temperatures of up to 27° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in San Jose during June?
Expect minimal rainfall in San Jose during June, with a total of 12.3 mm over approximately 2 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in San Jose during June?
The average wind speed in San Jose during June is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
UV exposure in San Jose during June
Stay informed about UV levels for safe outdoor activities throughout the month of June ☀️
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