Puerto Rico climate
World Climates covers 3 places in Puerto Rico. By annual mean temperature, the warmest is Ponce (27 °C81 °F) and the coolest is Carolina (27 °C81 °F). The wettest is San Juan with 1,207 mm48 in of precipitation per year, the driest Ponce with 899 mm35 in.
The most common climate types (Köppen classification computed from these averages) are tropical savanna (dry winter) (Aw, 3 places).
The highest monthly average high is in Ponce (31 °C88 °F in August); the lowest monthly average low is in Ponce (23 °C73 °F in February).
Across the places in Puerto Rico, the months that most often rank as the most comfortable are January, February and March (3, 3 and 3 of 3 places respectively).
Frequently asked questions
Which is the warmest place in Puerto Rico?
By annual mean temperature, the warmest place in Puerto Rico is Ponce at 27 °C81 °F. The coolest is Carolina at 27 °C81 °F.
Where does it rain the most in Puerto Rico?
San Juan gets the most precipitation, 1,207 mm48 in in an average year. The driest place is Ponce with 899 mm35 in.
How many places in Puerto Rico does this site cover?
World Climates has climate data for 3 places in Puerto Rico. Each one has a page with monthly averages for temperature, rainfall, humidity and daylight.
When is the best time to visit Puerto Rico?
It depends on the place. Across Puerto Rico, the months that most often rank as the most comfortable are January, February and March. Check the page of each city for its own best months.
Climate of every place in Puerto Rico
| Place | Year | Max high | Min low | Precip. |
|---|---|---|---|---|
| San Juan | 27 | 30 | 23 | 1,207 |
| Carolina | 27 | 30 | 23 | 1,207 |
| Ponce | 27 | 31 | 23 | 899 |
Year = annual mean temperature; max high = average high of the warmest month; min low = average low of the coldest month; precip. = annual total. Temperatures in °C°F, precipitation in mminches. Sorted by population.
Other cities over 100,000 people
These cities share a NASA POWER grid cell with a larger place, so their averages are shown on that page:
- Bayamón → data of San Juan
Data: NASA POWER climatology 2001–2025 (MERRA-2 reanalysis, CERES satellite data) — grid-cell averages, not station records. Sources and method.