Average annual temperature is 25.4 °C
Absolute maximum temperature: 35.1 °C
Absolute minimum temperature: 15.9 °C
Number of sunny days: 44 days
Number of rainy days: 321 days
Look at detailed online map of Slah
* Weather data for Slah Liberia is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 34.6 | 35.1 | 33.3 | 33.7 | 32.1 | 31.3 | 31.0 | 31.3 | 32.3 | 31.5 | 32.1 | 34.2 |
| Average daytime temperature (°C) | 32.6 | 33.1 | 31.8 | 31.6 | 30.4 | 29.1 | 29.1 | 29.4 | 29.5 | 29.5 | 30.3 | 32.1 |
| Average temperature (°C) | 25.7 | 26.8 | 26.0 | 25.9 | 25.5 | 24.6 | 24.5 | 24.7 | 24.8 | 24.9 | 25.4 | 25.7 |
| Average night temperature (°C) | 20.9 | 22.7 | 22.6 | 22.7 | 22.8 | 22.1 | 22.0 | 22.2 | 22.3 | 22.2 | 22.2 | 20.7 |
| Absolute minimum temperature (°C) | 15.9 | 19.8 | 21.7 | 21.6 | 21.9 | 20.9 | 20.5 | 21.1 | 21.0 | 21.2 | 20.9 | 16.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.8 | 11.9 | 12.1 | 12.3 | 12.4 | 12.5 | 12.4 | 12.3 | 12.2 | 12.0 | 11.8 | 11.8 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 9.1 | 9.1 | 8.1 | 8.4 | 7.9 | 7.2 | 7.3 | 7.2 | 7.3 | 7.3 | 8.5 | 10.0 |
| Precipitation (mm) | 28 | 46 | 143 | 205 | 214 | 279 | 291 | 274 | 286 | 342 | 134 | 12 |
| Sunny days | 17 | 4 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 18 |
| Rainy days | 14 | 24 | 28 | 29 | 31 | 30 | 31 | 31 | 30 | 31 | 29 | 13 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Slah is at