Average annual temperature is 25.8 °C
Absolute maximum temperature: 32.1 °C
Absolute minimum temperature: 18.5 °C
Number of sunny days: 26 days
Number of rainy days: 339 days
Look at detailed online map of Humacao
* Weather data for Humacao 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) | 27.5 | 27.5 | 29.4 | 29.1 | 30.3 | 30.6 | 30.6 | 31.3 | 32.1 | 32.1 | 29.7 | 29.2 |
| Average daytime temperature (°C) | 26.5 | 26.4 | 27.3 | 27.5 | 28.8 | 29.8 | 29.8 | 30.2 | 30.9 | 30.0 | 28.8 | 27.7 |
| Average temperature (°C) | 23.8 | 23.7 | 24.1 | 24.6 | 26.2 | 27.3 | 27.2 | 27.4 | 27.7 | 26.8 | 26.3 | 24.7 |
| Average night temperature (°C) | 21.9 | 21.8 | 21.6 | 22.3 | 24.0 | 25.0 | 25.2 | 25.3 | 25.3 | 24.7 | 24.4 | 22.5 |
| Absolute minimum temperature (°C) | 19.6 | 19.3 | 18.5 | 19.5 | 22.5 | 23.3 | 22.9 | 23.6 | 23.3 | 23.0 | 22.8 | 19.9 |
| 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) | 10.1 | 10.6 | 10.9 | 11.1 | 11.2 | 11.5 | 10.3 | 10.0 | 11.1 | 9.1 | 9.3 | 9.9 |
| Precipitation (mm) | 97 | 73 | 37 | 147 | 126 | 148 | 192 | 188 | 76 | 220 | 89 | 63 |
| Sunny days | 5 | 3 | 6 | 1 | 2 | 1 | 0 | 0 | 1 | 2 | 1 | 4 |
| Rainy days | 26 | 25 | 25 | 29 | 29 | 29 | 31 | 31 | 29 | 29 | 29 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Humacao is at