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.
Precipitation in Sunnyvale during May is a rare event, with an average of fewer than 2 rainy days.
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Temperatures
Rain 🌧️
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30
Dry days
1
Rainy days
0
Snow days
23°/10°
Temperatures
14 km/h
Avg max wind
58 %
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 23° 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?
In May, Sunnyvale can expect light to moderate rainfall, totaling 23.1 mm across approximately 1 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Sunnyvale during May?
The average wind speed in Sunnyvale during May is 14 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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