The weather in San Juan in January is hot. The average temperatures are between 22°C and 27°C.
You can expect a few rainy days in San Juan during January, but usually the weather is comfortable in January.
Our weather forecast can give you a great sense of what weather to expect in San Juan in January 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
2
Snowy Days
0
Dry Days
29
Rainfall
62
mm
Sun Hours
11.2
Hrs