Best Time to Visit San Juan
Best time: Feb, Mar, Apr, Jan.
Sep is warmest (32.2°C high); Aug is rainiest (174 mm).
San Juan weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | 29.2 | 19.9 | 93 | 7 |
| Feb | 29.2 | 19.7 | 65 | 7.9 |
| Mar | 29.6 | 19.9 | 73 | 9.2 |
| Apr | 30.4 | 20.8 | 107 | 9.7 |
| May | 31.2 | 21.9 | 173 | 9.6 |
| Jun | 31.9 | 22.7 | 128 | 9.8 |
| Jul | 32 | 23 | 147 | 10 |
| Aug | 32.1 | 23.1 | 174 | 9.7 |
| Sep | 32.2 | 22.9 | 147 | 8.9 |
| Oct | 31.9 | 22.6 | 149 | 8.1 |
| Nov | 30.8 | 21.8 | 171 | 7 |
| Dec | 29.7 | 20.7 | 142 | 6.5 |
Average high temperature
Best months by activity
Overall: FebMarAprJan
Beaches: FebMarJulApr
Hiking: FebMarJanApr
Sightseeing: FebMarJanApr
San Juan quick facts
What to pack
Wet months (Jan, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec): raincoat and umbrella.
Frequently asked questions
When is the best time to visit San Juan?
Feb, Mar, Apr, Jan.
What is the rainiest month?
Aug, about 174 mm.
What is the warmest month?
Sep, with average highs of 32.2°C.
Where to stay
See San Juan hotels · Book San Juan tours & activities
All destinations · Best time to visit Bayamon · Best time to visit Carolina · Best time to visit Ponce
Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals.
Licensed under CC BY 4.0.
Open-Meteo.