Climate averages 1991–2020
Weather in Puerto Rico in October
In October, average daytime highs across the 7 cities listed in Puerto Rico range from 29.0°C in Ponce to 30.4°C in San Juan. Monthly rainfall ranges from 71 mm in Mayagüez to 156 mm in Caguas.
Long-term climate patterns, not a forecast for a particular trip.
City by city
October in Puerto Rico
| City | Average highHigh / low | Average low | Rainfall mm | Rain days |
|---|---|---|---|---|
| San Juan | 30.4°C24.1°C | 24.1°C | 124 | 20.5 |
| Bayamón | 30.3°C24.1°C | 24.1°C | 113 | 19.8 |
| Carolina | 30.2°C24.2°C | 24.2°C | 124 | 20.5 |
| Ponce | 29.0°C24.0°C | 24.0°C | 105 | 19.4 |
| Arecibo | 30.4°C24.0°C | 24.0°C | 138 | 21.3 |
| Caguas | 29.5°C24.2°C | 24.2°C | 156 | 24.9 |
| Mayagüez | 29.9°C25.2°C | 25.2°C | 71 | 15.6 |
A rain day is a local calendar day with at least 1 mm of precipitation.