Average annual temperature is 26.1 °C
Absolute maximum temperature: 39.8 °C
Absolute minimum temperature: 15.2 °C
Number of sunny days: 114 days
Number of rainy days: 251 days
Look at detailed online map of Bumban
* Weather data for Bumban 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) | 37.6 | 38.7 | 39.8 | 36.6 | 35.1 | 32.8 | 32.7 | 32.8 | 32.4 | 32.2 | 34.1 | 36.3 |
| Average daytime temperature (°C) | 35.3 | 36.1 | 35.8 | 34.1 | 31.9 | 29.8 | 29.7 | 28.9 | 29.6 | 30.0 | 30.9 | 33.3 |
| Average temperature (°C) | 26.5 | 28.3 | 28.2 | 27.7 | 26.6 | 25.2 | 24.8 | 24.5 | 24.9 | 25.2 | 25.9 | 25.6 |
| Average night temperature (°C) | 19.2 | 21.7 | 22.5 | 23.5 | 23.5 | 23.0 | 22.5 | 22.4 | 22.4 | 22.6 | 22.6 | 19.2 |
| Absolute minimum temperature (°C) | 15.2 | 20.2 | 19.9 | 21.9 | 22.6 | 22.1 | 20.8 | 21.3 | 21.2 | 22.0 | 20.2 | 15.6 |
| 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 | 11.8 | 12.1 | 12.3 | 12.5 | 12.6 | 12.6 | 12.4 | 12.2 | 11.9 | 11.7 | 11.6 |
| 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 | 9.9 | 9.1 | 8.5 | 7.3 | 6.2 | 6.5 | 5.4 | 6.7 | 7.3 | 8.7 | 10.2 |
| Precipitation (mm) | 1 | 0 | 37 | 120 | 300 | 311 | 467 | 538 | 467 | 505 | 148 | 5 |
| Sunny days | 28 | 27 | 20 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 25 |
| Rainy days | 3 | 1 | 11 | 21 | 31 | 30 | 31 | 31 | 30 | 31 | 25 | 6 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Bumban during the most sunny months:
The largest precipitation sum in Bumban is at