Average annual temperature is 25.8 °C
Absolute maximum temperature: 37.7 °C
Absolute minimum temperature: 17.1 °C
Number of sunny days: 80 days
Number of rainy days: 285 days
Look at detailed online map of Kotumahun
* Weather data for Kotumahun 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) | 36.5 | 37.7 | 37.4 | 35.1 | 34.6 | 32.2 | 32.7 | 32.8 | 32.4 | 32.2 | 32.0 | 35.4 |
| Average daytime temperature (°C) | 34.7 | 35.9 | 34.4 | 33.1 | 31.6 | 29.8 | 29.3 | 28.7 | 29.2 | 29.6 | 30.4 | 32.8 |
| Average temperature (°C) | 26.5 | 28.1 | 27.2 | 26.9 | 26.3 | 24.9 | 24.6 | 24.5 | 24.7 | 25.1 | 25.6 | 25.9 |
| Average night temperature (°C) | 20.9 | 23.0 | 22.8 | 23.4 | 23.3 | 22.6 | 22.4 | 22.5 | 22.5 | 22.6 | 22.8 | 21.0 |
| Absolute minimum temperature (°C) | 17.1 | 21.3 | 20.9 | 22.3 | 22.7 | 21.2 | 20.8 | 20.9 | 21.3 | 21.8 | 21.8 | 17.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 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 | 12.0 | 11.8 | 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) | 9.7 | 9.7 | 8.3 | 7.9 | 7.5 | 7.4 | 6.8 | 5.7 | 6.7 | 7.4 | 8.0 | 9.7 |
| Precipitation (mm) | 6 | 2 | 66 | 155 | 371 | 283 | 407 | 634 | 419 | 333 | 188 | 9 |
| Sunny days | 22 | 22 | 11 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 21 |
| Rainy days | 9 | 6 | 20 | 28 | 30 | 30 | 31 | 31 | 30 | 31 | 29 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Kotumahun is at