The temperatures in Santa Rosa in January are quite cold with temperatures between 5°C and 14°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Santa Rosa 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 Santa Rosa in January 2025.
If you’re planning to visit Santa Rosa in the near future, we highly recommend that you review the 14 day weather forecast for Santa Rosa before you arrive.
Temperatures
14° / 5°
Rainy Days
5
Snowy Days
0
Dry Days
26
Rainfall
152
mm
Sun Hours
9.5
Hrs
