The weather in San Salvador in December is hot. The average temperatures are between 71°F and 91°F.
There shouldn't be any rainy days in in San Salvador during December. Having said that, the days are very hot in December so hanging out outside is more recomanded during the after noons and evening time.
Our weather forecast can give you a great sense of what weather to expect in San Salvador in December 2025.
If you’re planning to visit San Salvador in the near future, we highly recommend that you review the 14 day weather forecast for San Salvador before you arrive.
Temperatures
91° / 71°
Rainy Days
0
Snowy Days
0
Dry Days
31
Rainfall
0.55
in
Sun Hours
11.9
Hrs
