Average annual temperature is 25.8 °C
Absolute maximum temperature: 37.4 °C
Absolute minimum temperature: 16.0 °C
Number of sunny days: 90 days
Number of rainy days: 275 days
Look at detailed online map of Biehun
* Weather data for Biehun 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) | 36.7 | 37.4 | 36.9 | 35.0 | 34.1 | 32.7 | 32.1 | 32.6 | 32.1 | 31.3 | 31.5 | 34.3 |
| Average daytime temperature (°C) | 34.0 | 35.4 | 33.6 | 33.1 | 31.8 | 29.9 | 29.6 | 29.0 | 29.4 | 29.6 | 30.2 | 31.9 |
| Average temperature (°C) | 26.1 | 28.2 | 27.1 | 27.1 | 26.5 | 25.1 | 24.8 | 24.6 | 24.8 | 25.1 | 25.5 | 25.1 |
| Average night temperature (°C) | 20.1 | 22.8 | 22.7 | 23.7 | 23.5 | 22.8 | 22.5 | 22.5 | 22.6 | 22.6 | 22.6 | 20.0 |
| Absolute minimum temperature (°C) | 16.0 | 21.3 | 20.5 | 22.1 | 22.6 | 21.7 | 20.5 | 21.0 | 21.9 | 22.1 | 21.1 | 16.2 |
| 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 | 11.8 | 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) | 9.5 | 9.6 | 8.5 | 8.6 | 7.3 | 7.3 | 6.5 | 5.6 | 7.0 | 7.2 | 8.2 | 9.9 |
| Precipitation (mm) | 16 | 3 | 95 | 149 | 313 | 238 | 299 | 387 | 353 | 358 | 188 | 2 |
| Sunny days | 23 | 24 | 15 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 22 |
| Rainy days | 8 | 4 | 16 | 26 | 31 | 30 | 31 | 31 | 30 | 31 | 28 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Biehun during the most sunny months:
The largest precipitation sum in Biehun is at