San Juan weather in February

Averages from 2021–2025 (141 days of record).

Average high: 82°F
Average low: 72°F
Rainy days: ~17 per month
Total precipitation: 3.1 in
Warmest recorded: 86°F
Coldest recorded: 66°F

Expect February days in San Juan to top out around 82°F and cool to about 72°F overnight, with roughly 17 days of measurable rain across the month. In recent years February has ranged from 66°F to 86°F.

Other months

January March April May June July August September October November December

Current San Juan forecast → · Historical data by Open-Meteo (ERA5).