The temperatures in Sunnyvale in May are comfortable with low of 10°C and and high up to 22°C.
The wather in Sunnyvale in May can vary between cold and nice weather days. Expect a few rainy days but usually not more than 3.
Our weather forecast can give you a great sense of what weather to expect in Sunnyvale in May 2025.
If you’re planning to visit Sunnyvale in the near future, we highly recommend that you review the 14 day weather forecast for Sunnyvale before you arrive.
Temperatures
22° / 10°
Rainy Days
1
Snowy Days
0
Dry Days
30
Rainfall
17
mm
Sun Hours
11.5
Hrs
