Average annual temperature is 26.5 °C
Absolute maximum temperature: 39.5 °C
Absolute minimum temperature: 16.3 °C
Number of sunny days: 114 days
Number of rainy days: 251 days
Look at detailed online map of Bumba
* Weather data for Bumba 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) | 38.6 | 38.2 | 39.5 | 37.1 | 35.3 | 33.6 | 32.9 | 33.0 | 32.5 | 32.7 | 33.5 | 35.7 |
| Average daytime temperature (°C) | 35.6 | 36.7 | 36.1 | 34.3 | 32.5 | 30.2 | 30.1 | 29.1 | 29.9 | 30.5 | 31.4 | 33.4 |
| Average temperature (°C) | 27.1 | 29.0 | 28.5 | 28.0 | 27.1 | 25.5 | 25.2 | 24.9 | 25.2 | 25.7 | 26.4 | 26.2 |
| Average night temperature (°C) | 20.2 | 23.0 | 23.4 | 24.0 | 24.0 | 23.3 | 22.8 | 22.8 | 22.9 | 23.2 | 23.3 | 20.3 |
| Absolute minimum temperature (°C) | 16.9 | 21.9 | 21.2 | 22.7 | 23.0 | 22.7 | 21.1 | 21.9 | 22.1 | 22.6 | 21.8 | 16.3 |
| 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) | 9.6 | 9.8 | 9.3 | 8.4 | 7.4 | 6.0 | 6.9 | 5.6 | 6.7 | 7.9 | 8.7 | 10.0 |
| Precipitation (mm) | 2 | 0 | 34 | 127 | 283 | 289 | 565 | 535 | 418 | 479 | 147 | 4 |
| Sunny days | 30 | 27 | 17 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 25 |
| Rainy days | 1 | 1 | 14 | 21 | 31 | 30 | 31 | 31 | 30 | 31 | 24 | 6 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Bumba is at