Santa Clara County (San Jose)
May
Weather in Santa Clara County for May 2025
Your guide to Santa Clara County weather in May - trends and predictions
In general, the average temperature in Santa Clara County 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 3 rainy days, Santa Clara County experiences minimal rainfall in May.
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Temperatures
Rain 🌧️
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28
Dry days
3
Rainy days
0
Snow days
23°/9°
Temperatures
14 km/h
Avg max wind
58 %
Avg humidity
Santa Clara County 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 Santa Clara County
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 Santa Clara County 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 Santa Clara County forecast closer to your planned date for the most up-to-date weather information.
Santa Clara County in May - FAQ
What are the expected maximum and minimum temperatures in Santa Clara County during May?
Enjoy moderate daytime temperatures of up to 23° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Santa Clara County during May?
In May, Santa Clara County can expect light to moderate rainfall, totaling 24.4 mm across approximately 3 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Santa Clara County during May?
The average wind speed in Santa Clara County during May is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Santa Clara County
Explore the daily rainfall trends and prepare for Santa Clara Countys May weather 💧
UV exposure in Santa Clara County during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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