Average annual temperature is 25.5 °C
Absolute maximum temperature: 34.6 °C
Absolute minimum temperature: 17.9 °C
Number of sunny days: 66 days
Number of rainy days: 299 days
Look at detailed online map of Zanja Negra
* Weather data for Zanja Negra 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) | 29.2 | 29.9 | 30.9 | 30.6 | 31.1 | 33.9 | 33.8 | 34.6 | 33.2 | 33.0 | 30.4 | 30.8 |
| Average daytime temperature (°C) | 27.5 | 28.3 | 28.9 | 28.7 | 29.5 | 30.7 | 31.9 | 31.3 | 31.3 | 30.1 | 29.2 | 29.0 |
| Average temperature (°C) | 23.3 | 23.7 | 23.9 | 24.5 | 25.7 | 27.0 | 27.5 | 27.3 | 27.0 | 26.3 | 25.4 | 24.5 |
| Average night temperature (°C) | 20.5 | 20.5 | 20.0 | 21.0 | 22.3 | 23.9 | 24.1 | 24.4 | 23.8 | 23.6 | 22.8 | 21.5 |
| Absolute minimum temperature (°C) | 19.4 | 18.7 | 17.9 | 20.0 | 20.7 | 22.7 | 23.3 | 22.9 | 22.3 | 22.5 | 21.2 | 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 | 11.6 | 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) | 10.2 | 10.6 | 10.6 | 11.0 | 11.1 | 11.4 | 10.9 | 9.7 | 10.5 | 9.3 | 9.2 | 9.7 |
| Precipitation (mm) | 35 | 17 | 29 | 94 | 78 | 83 | 85 | 125 | 125 | 181 | 60 | 28 |
| Sunny days | 12 | 11 | 11 | 2 | 4 | 2 | 8 | 2 | 2 | 0 | 6 | 6 |
| Rainy days | 19 | 17 | 20 | 28 | 27 | 28 | 23 | 29 | 28 | 31 | 24 | 25 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Zanja Negra is at