The weather in San Juan in March is hot. The average temperatures are between 22°C and 27°C.
You can expect about 3 to 8 days of rain in San Juan during the month of March. 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 March 2025.
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° / 22°
Rainy Days
3
Snowy Days
0
Dry Days
28
Rainfall
74
mm
Sun Hours
10.8
Hrs
