Climate averages 1991–2020
Weather in Puerto Rico in March
In March, average daytime highs across the 7 cities listed in Puerto Rico range from 28.2°C in Caguas to 29.6°C in Arecibo. Monthly rainfall ranges from 28 mm in Mayagüez to 59 mm in Arecibo.
Long-term climate patterns, not a forecast for a particular trip.
City by city
March in Puerto Rico
| City | Average highHigh / low | Average low | Rainfall mm | Rain days |
|---|---|---|---|---|
| San Juan | 29.3°C21.5°C | 21.5°C | 39 | 8.4 |
| Bayamón | 29.3°C21.5°C | 21.5°C | 40 | 8.2 |
| Carolina | 28.9°C21.7°C | 21.7°C | 39 | 8.4 |
| Ponce | 28.7°C21.8°C | 21.8°C | 36 | 8.8 |
| Arecibo | 29.6°C21.4°C | 21.4°C | 59 | 9.9 |
| Caguas | 28.2°C21.6°C | 21.6°C | 55 | 14.8 |
| Mayagüez | 29.0°C22.7°C | 22.7°C | 28 | 9.1 |
A rain day is a local calendar day with at least 1 mm of precipitation.