Sunnyvale (CA)
May
Weather in Sunnyvale, California for May 2026
Your guide to Sunnyvale weather in May - trends and predictions
In general, the average temperature in Sunnyvale at the beginning of May is 19 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 23.1 °F by the end of May.
With an average of 2 rainy days, Sunnyvale experiences minimal rainfall in May.
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Temperatures
Rain 🌧️
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29
Dry days
2
Rainy days
0
Snow days
22°/10°
Temperatures
15 km/h
Avg max wind
64 %
Avg humidity
Sunnyvale Weather May
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Temperatures trend during May in Sunnyvale
See the weather trend as well as the moving average line
May weather in Sunnyvale day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Sunny | 22° /9° | 0 mm | 6 | |
| May 2 | Sunny | 19° /9° | 0 mm | 5 | |
| May 3 | Sunny | 17° /9° | 0 mm | 5 | |
| May 4 |  Light rain shower | 16° /7° | 10.8 mm | 4 | |
| May 5 | Patchy rain possible | 19° /7° | 0.1 mm | 5 | |
| May 6 |  Partly cloudy | 19° /8° | 0 mm | 6 | |
| May 7 | Sunny | 21° /9° | 0 mm | 5 | |
| May 8 | Sunny | 24° /9° | 0 mm | 6 | |
| May 9 | Sunny | 27° /10° | 0 mm | 7 | |
| May 10 | Sunny | 26° /11° | 0 mm | 7 | |
| May 11 | Sunny | 23° /10° | 0 mm | 6 | |
| May 12 | Sunny | 21° /11° | 3.7 mm | 6 | |
| May 13 | Sunny | 21° /11° | 0 mm | 6 | |
| May 14 | Sunny | 22° /9° | 0 mm | 6 | |
| May 15 | Sunny | 24° /10° | 0 mm | 6 | |
| May 16 | Sunny | 23° /11° | 0 mm | 6 | |
| May 17 | Partly cloudy | 20° /10° | 0 mm | 5 | |
| May 18 | Sunny | 23° /9° | 0 mm | 6 | |
| May 19 | Sunny | 24° /9° | 0 mm | 7 | |
| May 20 | Sunny | 22° /10° | 0 mm | 6 | |
| May 21 | Patchy rain possible | 25° /9° | 0.1 mm | 6 | |
| May 22 | Sunny | 24° /10° | 0 mm | 6 | |
| May 23 | Patchy rain possible | 19° /9° | 0.1 mm | 5 | |
| May 24 | Patchy rain possible | 18° /9° | 0.3 mm | 4 | |
| May 25 |  Cloudy | 19° /9° | 0.1 mm | 4 | |
| May 26 | Patchy rain possible | 22° /9° | 0.1 mm | 5 | |
| May 27 | Partly cloudy | 25° /9° | 0 mm | 6 | |
| May 28 | Patchy rain possible | 20° /10° | 0.3 mm | 5 | |
| May 29 | Partly cloudy | 22° /9° | 0 mm | 6 | |
| May 30 | Sunny | 27° /11° | 0 mm | 7 | |
| May 31 | Sunny | 27° /11° | 0 mm | 7 | |
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Important Notice
Our weather forecast for Sunnyvale 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 Sunnyvale forecast closer to your planned date for the most up-to-date weather information.
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Sunnyvale in May - FAQ
What are the expected maximum and minimum temperatures in Sunnyvale during May?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Sunnyvale during May?
Expect minimal rainfall in Sunnyvale during May, with a total of 15.5 mm over approximately 2 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Sunnyvale during May?
The average wind speed in Sunnyvale during May is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Sunnyvale
Explore the daily rainfall trends and prepare for Sunnyvales May weather 💧
UV exposure in Sunnyvale during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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Where is Sunnyvale?Get accurate weather forecasts for Sunnyvale, located at latitude 37.369 and longitude -122.036. Stay updated with localized weather information tailored for Sunnyvale.
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