The temperatures in Sunnyvale in January are quite cold with temperatures between 7°C and 16°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Sunnyvale during the month of January. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Sunnyvale in January 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
16° / 7°
Rainy Days
5
Snowy Days
0
Dry Days
27
Rainfall
107
mm
Sun Hours
10.5
Hrs
