Average annual temperature is 25.6 °C
Absolute maximum temperature: 37.8 °C
Absolute minimum temperature: 14.9 °C
Number of sunny days: 92 days
Number of rainy days: 273 days
Look at detailed online map of Sandahun
* Weather data for Sandahun Sierra Leone is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 35.7 | 36.1 | 37.8 | 35.1 | 34.1 | 32.5 | 31.9 | 32.0 | 31.8 | 31.5 | 32.1 | 34.4 |
| Average daytime temperature (°C) | 33.6 | 34.6 | 33.0 | 32.7 | 31.6 | 29.6 | 29.6 | 28.8 | 29.3 | 29.8 | 30.4 | 32.2 |
| Average temperature (°C) | 25.5 | 27.7 | 26.7 | 26.9 | 26.2 | 24.9 | 24.6 | 24.5 | 24.7 | 25.0 | 25.4 | 25.0 |
| Average night temperature (°C) | 18.5 | 22.2 | 22.3 | 23.3 | 23.2 | 22.5 | 22.2 | 22.3 | 22.3 | 22.3 | 22.2 | 19.1 |
| Absolute minimum temperature (°C) | 15.9 | 20.4 | 19.7 | 22.3 | 22.2 | 21.6 | 21.3 | 21.5 | 21.4 | 21.5 | 20.8 | 14.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.7 | 11.9 | 12.1 | 12.3 | 12.5 | 12.6 | 12.5 | 12.4 | 12.2 | 11.9 | 11.7 | 11.7 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 9.9 | 9.9 | 8.8 | 8.8 | 7.8 | 7.0 | 7.4 | 5.9 | 7.3 | 8.1 | 8.8 | 10.2 |
| Precipitation (mm) | 22 | 0 | 71 | 211 | 324 | 296 | 391 | 478 | 347 | 404 | 189 | 2 |
| Sunny days | 26 | 26 | 12 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 24 |
| Rainy days | 5 | 2 | 19 | 28 | 31 | 30 | 31 | 31 | 30 | 31 | 28 | 7 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sandahun is at