The temperatures in Sunnyvale in April are quite cold with temperatures between 8°C and 20°C, warm clothes are a must.
The wather in Sunnyvale in April 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 April 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
20° / 8°
Rainy Days
2
Snowy Days
0
Dry Days
28
Rainfall
40
mm
Sun Hours
10.9
Hrs
