San Jose
May
Weather in San Jose for May 2025
Your guide to San Jose weather in May - trends and predictions
In general, the average temperature in San Jose at the beginning of May is 18 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 24.3 °F by the end of May.
With an average of 2 rainy days, San Jose experiences minimal rainfall in May, ensuring that most days remain pleasantly dry.
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29
Dry days
2
Rainy days
0
Snow days
24°/9°
Temperatures
14 km/h
Avg max wind
60 %
Avg humidity
San Jose in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  19° | 2  20° | 3 20° | 4 15° | |||
| 5  16° | 6 17° | 7  19° | 8  21° | 9 23° | 10 23° | 11 24° |
| 12  27° | 13 29° | 14 28° | 15 27° | 16 28° | 17 28° | 18 26° |
| 19 26° | 20 25° | 21 28° | 22 27° | 23 23° | 24 19° | 25 21° |
| 26 24° | 27 26° | 28 22° | 29 24° | 30 26° | 31 27° |
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Temperatures trend during May in San Jose
See the weather trend as well as the moving average line
May weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 | Patchy rain possible | 19° /7° | 0.6 mm | 5 | |
| May 2 | Heavy rain at times | 20° /7° | 4.4 mm | 5 | |
| May 3 | Heavy rain at times | 20° /8° | 6.2 mm | 5 | |
| May 4 | Patchy rain possible | 15° /8° | 11.1 mm | 4 | |
| May 5 | Cloudy | 16° /7° | 0.1 mm | 4 | |
| May 6 | Patchy rain possible | 17° /7° | 0.8 mm | 5 | |
| May 7 | Overcast | 19° /8° | 0 mm | 5 | |
| May 8 | Partly cloudy | 21° /6° | 0 mm | 6 | |
| May 9 | Partly cloudy | 23° /8° | 0 mm | 6 | |
| May 10 | Partly cloudy | 23° /9° | 0 mm | 6 | |
| May 11 | Partly cloudy | 24° /10° | 0 mm | 7 | |
| May 12 | Sunny | 27° /11° | 0 mm | 7 | |
| May 13 | Sunny | 29° /11° | 0 mm | 8 | |
| May 14 | Sunny | 28° /11° | 0 mm | 7 | |
| May 15 | Cloudy | 27° /11° | 0 mm | 7 | |
| May 16 | Sunny | 28° /11° | 0 mm | 7 | |
| May 17 | Overcast | 28° /11° | 0 mm | 7 | |
| May 18 | Sunny | 26° /11° | 0 mm | 7 | |
| May 19 | Sunny | 26° /11° | 0 mm | 7 | |
| May 20 | Sunny | 25° /10° | 0 mm | 7 | |
| May 21 | Patchy rain possible | 28° /9° | 0.1 mm | 7 | |
| May 22 | Sunny | 27° /11° | 0 mm | 7 | |
| May 23 | Patchy rain possible | 23° /9° | 0.2 mm | 6 | |
| May 24 | Patchy rain possible | 19° /10° | 0.4 mm | 5 | |
| May 25 | Cloudy | 21° /9° | 0 mm | 5 | |
| May 26 | Patchy rain possible | 24° /8° | 0.1 mm | 6 | |
| May 27 | Partly cloudy | 26° /9° | 0 mm | 7 | |
| May 28 | Patchy rain possible | 22° /10° | 0.4 mm | 6 | |
| May 29 | Partly cloudy | 24° /9° | 0 mm | 6 | |
| May 30 | Sunny | 26° /10° | 0 mm | 7 | |
| May 31 | Partly cloudy | 27° /10° | 0.1 mm | 7 | |
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Important Notice
Our weather forecast for San Jose in May 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 May - FAQ
What are the expected maximum and minimum temperatures in San Jose during May?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in San Jose during May?
In May, San Jose can expect light to moderate rainfall, totaling 48.7 mm across approximately 2 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in San Jose during May?
The average wind speed in San Jose during May is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
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