Average annual temperature is 25.8 °C
Absolute maximum temperature: 33.1 °C
Absolute minimum temperature: 18.1 °C
Number of sunny days: 67 days
Number of rainy days: 298 days
Look at detailed online map of Guayanilla Zona Urbana
* Weather data for Guayanilla Zona Urbana 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) | 29.4 | 30.0 | 30.2 | 30.5 | 30.9 | 32.6 | 32.9 | 33.1 | 31.8 | 32.2 | 30.0 | 30.6 |
| Average daytime temperature (°C) | 27.5 | 28.5 | 28.3 | 28.4 | 29.8 | 30.2 | 30.8 | 30.5 | 30.6 | 29.9 | 28.7 | 28.6 |
| Average temperature (°C) | 23.8 | 24.3 | 24.4 | 25.0 | 26.5 | 27.3 | 27.5 | 27.3 | 27.1 | 26.4 | 25.7 | 24.5 |
| Average night temperature (°C) | 21.2 | 20.9 | 21.1 | 22.0 | 23.9 | 24.9 | 24.7 | 24.6 | 24.2 | 24.0 | 23.5 | 21.2 |
| Absolute minimum temperature (°C) | 19.7 | 18.7 | 19.2 | 20.7 | 22.8 | 22.5 | 22.7 | 23.3 | 22.5 | 22.3 | 20.8 | 18.1 |
| 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 | 11.6 | 12.0 | 12.6 | 13.0 | 13.2 | 13.1 | 12.7 | 12.2 | 11.7 | 11.3 | 11.1 |
| 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) | 10.3 | 10.7 | 11.0 | 11.3 | 11.3 | 11.7 | 10.9 | 9.8 | 10.8 | 9.7 | 9.4 | 9.9 |
| Precipitation (mm) | 41 | 17 | 18 | 78 | 55 | 92 | 63 | 144 | 134 | 216 | 67 | 35 |
| Sunny days | 10 | 14 | 10 | 1 | 5 | 1 | 7 | 2 | 2 | 2 | 6 | 7 |
| Rainy days | 21 | 14 | 21 | 29 | 26 | 29 | 24 | 29 | 28 | 29 | 24 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Guayanilla Zona Urbana is at