February
★ Best time
28° / 21°C
9 rain days
hot
- manageable rain (9 days)
- outside peak hazard season
- warm evenings without humidity overload
Best time to visit San Juan
San Juan, Puerto Rico — ranked month by month from data: temperature, rainfall, snow, and peak hazard seasons. The standouts: February, January, March.
★ Best months to visit
January
★ Best time
28° / 21°C
11 rain days
hot, rainy
- outside peak hazard season
- warm evenings without humidity overload
March
★ Best time
29° / 22°C
9 rain days
hot
- manageable rain (9 days)
- outside peak hazard season
- warm evenings without humidity overload
April
★ Best time
29° / 23°C
11 rain days
hot, rainy
- outside peak hazard season
December
★ Best time
29° / 22°C
12 rain days
hot, rainy
- outside peak hazard season
- warm evenings without humidity overload
November
★ Best time
30° / 23°C
13 rain days
hot, rainy
- outside peak hazard season
May
★ Best time
30° / 24°C
14 rain days
hot, rainy
- outside peak hazard season
OK — shoulder months
June
OK
31° / 25°C
14 rain days
hot, rainy
- outside peak hazard season
July
OK
31° / 25°C
16 rain days
hot, very wet
- outside peak hazard season
Months to skip
October
Skip
31° / 24°C
13 rain days
⚠ peak season
hot, rainy
- very hot (31°C)
- peak hurricane season
September
Skip
31° / 25°C
15 rain days
⚠ peak season
hot, rainy
- very hot (31°C)
- heavy rain expected (15 days)
- peak hurricane season
August
Skip
32° / 25°C
16 rain days
⚠ peak season
hot, very wet
- very hot (32°C)
- heavy rain expected (16 days)
- peak hurricane season
How we ranked these
Each month is scored on temperature comfort (18–27°C avg high is the sweet spot), rainfall (more rain days = lower score), snow days, and peak hazard seasons (hurricanes, monsoons, etc.). Green-tier months are within ideal range with no major issues. Yellow are workable but with trade-offs. Red has at least one significant problem — extreme heat or cold, heavy rain, or peak storm season.