The temperatures in San Jose in December are quite cold with temperatures between 5°C and 15°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in San Jose during the month of December. 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 San Jose in December 2024.
If you’re planning to visit San Jose in the near future, we highly recommend that you review the 14 day weather forecast for San Jose before you arrive.
Temperatures
15° / 5°
Rainy Days
4
Snowy Days
0
Dry Days
27
Rainfall
56
mm
Sun Hours
10.0
Hrs