Average annual temperature is 24.6 °C
Absolute maximum temperature: 33.9 °C
Absolute minimum temperature: 16.9 °C
Number of sunny days: 46 days
Number of rainy days: 319 days
Look at detailed online map of Francisco Serrano
* Weather data for Francisco Serrano 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) | 29.1 | 29.1 | 30.4 | 29.8 | 32.2 | 33.1 | 33.8 | 33.9 | 33.4 | 33.7 | 30.9 | 31.5 |
| Average daytime temperature (°C) | 26.3 | 27.4 | 28.1 | 27.8 | 29.8 | 30.9 | 32.0 | 31.1 | 31.3 | 30.7 | 29.2 | 28.8 |
| Average temperature (°C) | 21.8 | 22.3 | 22.5 | 22.8 | 24.9 | 26.3 | 26.6 | 26.5 | 26.5 | 26.1 | 24.8 | 23.8 |
| Average night temperature (°C) | 18.8 | 19.0 | 18.5 | 19.2 | 21.3 | 22.9 | 23.2 | 23.6 | 23.4 | 23.1 | 21.9 | 20.9 |
| Absolute minimum temperature (°C) | 17.0 | 17.3 | 16.9 | 17.5 | 19.6 | 21.9 | 21.5 | 22.0 | 21.7 | 21.4 | 19.0 | 19.5 |
| 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 | 11.1 |
| 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) | 10.1 | 10.4 | 10.8 | 10.9 | 11.2 | 11.8 | 10.7 | 9.5 | 10.7 | 9.9 | 9.3 | 10.0 |
| Precipitation (mm) | 61 | 31 | 57 | 132 | 116 | 62 | 111 | 112 | 73 | 114 | 112 | 31 |
| Sunny days | 9 | 9 | 5 | 0 | 3 | 7 | 1 | 1 | 1 | 2 | 4 | 4 |
| Rainy days | 22 | 19 | 26 | 30 | 28 | 23 | 30 | 30 | 29 | 29 | 26 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Francisco Serrano is at