The weather in San Juan in December is very hot. The average temperatures are between 23°C and 27°C, drinking water regularly is advisable.
You can expect about 3 to 8 days of rain in San Juan 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 Juan in December 2024.
If you’re planning to visit San Juan in the near future, we highly recommend that you review the 14 day weather forecast for San Juan before you arrive.
Temperatures
27° / 23°
Rainy Days
4
Snowy Days
0
Dry Days
27
Rainfall
82
mm
Sun Hours
11.3
Hrs
