The temperatures in Guanajuato in December are quite cold with temperatures between 8°C and 21°C, warm clothes are a must.
The wather in Guanajuato in December 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 Guanajuato in December 2025.
If you’re planning to visit Guanajuato in the near future, we highly recommend that you review the 14 day weather forecast for Guanajuato before you arrive.
Temperatures
21° / 8°
Rainy Days
1
Snowy Days
0
Dry Days
30
Rainfall
9
mm
Sun Hours
11.9
Hrs