The weather in San Luis in December is hot. The average temperatures are between 19°C and 30°C. Usually the days in December are hot while the nights are a bit cooler.
You can expect about 3 to 8 days of rain in San Luis 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 Luis in December 2024.
If you’re planning to visit San Luis in the near future, we highly recommend that you review the 14 day weather forecast for San Luis before you arrive.
Temperatures
30° / 19°
Rainy Days
7
Snowy Days
0
Dry Days
24
Rainfall
108
mm
Sun Hours
11.7
Hrs
