Average annual temperature is 25.7 °C
Absolute maximum temperature: 36.2 °C
Absolute minimum temperature: 17.3 °C
Number of sunny days: 55 days
Number of rainy days: 310 days
Look at detailed online map of Rafael Arroyo
* Weather data for Rafael Arroyo Puerto Rico is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 29.8 | 29.8 | 32.1 | 31.8 | 33.6 | 35.8 | 36.2 | 35.4 | 35.8 | 34.5 | 33.2 | 32.7 |
| Average daytime temperature (°C) | 27.5 | 27.5 | 29.2 | 29.8 | 32.0 | 33.6 | 32.9 | 33.3 | 33.2 | 32.1 | 30.5 | 29.1 |
| Average temperature (°C) | 22.8 | 22.9 | 23.6 | 24.2 | 26.3 | 28.0 | 27.8 | 27.8 | 27.5 | 26.6 | 25.8 | 24.4 |
| Average night temperature (°C) | 19.7 | 19.7 | 19.4 | 20.5 | 22.0 | 23.8 | 24.0 | 24.1 | 23.5 | 23.0 | 22.6 | 21.1 |
| Absolute minimum temperature (°C) | 18.0 | 17.7 | 17.3 | 18.1 | 19.3 | 22.3 | 22.6 | 22.3 | 20.1 | 20.5 | 20.2 | 18.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.2 | 11.5 | 12.0 | 12.6 | 13.0 | 13.2 | 13.1 | 12.7 | 12.2 | 11.7 | 11.3 | 11.0 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 9.9 | 10.5 | 10.9 | 11.0 | 11.3 | 11.7 | 10.7 | 10.1 | 10.5 | 9.7 | 9.0 | 9.9 |
| Precipitation (mm) | 105 | 56 | 36 | 157 | 111 | 74 | 117 | 146 | 115 | 189 | 110 | 44 |
| Sunny days | 6 | 6 | 11 | 2 | 2 | 8 | 3 | 1 | 0 | 0 | 7 | 9 |
| Rainy days | 25 | 22 | 20 | 28 | 29 | 22 | 28 | 30 | 30 | 31 | 23 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rafael Arroyo is at