Average annual temperature is 27.0 °C
Absolute maximum temperature: 40.2 °C
Absolute minimum temperature: 17.0 °C
Number of sunny days: 122 days
Number of rainy days: 243 days
Look at detailed online map of Bom
* Weather data for Bom 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) | 39.0 | 39.1 | 40.2 | 37.6 | 36.4 | 33.5 | 32.6 | 33.6 | 32.4 | 32.9 | 35.3 | 37.8 |
| Average daytime temperature (°C) | 36.8 | 37.2 | 37.1 | 35.2 | 32.9 | 30.4 | 30.2 | 29.4 | 30.0 | 30.8 | 32.0 | 34.6 |
| Average temperature (°C) | 28.1 | 29.3 | 29.0 | 28.5 | 27.5 | 25.7 | 25.4 | 25.1 | 25.4 | 26.0 | 26.7 | 27.1 |
| Average night temperature (°C) | 21.0 | 23.2 | 23.6 | 24.2 | 24.3 | 23.5 | 23.0 | 22.9 | 23.1 | 23.3 | 23.4 | 21.1 |
| Absolute minimum temperature (°C) | 18.6 | 22.1 | 21.7 | 23.1 | 23.6 | 22.7 | 21.9 | 21.9 | 22.3 | 22.4 | 22.1 | 17.0 |
| 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 | 12.7 | 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 | 9.8 | 9.5 | 8.7 | 7.4 | 6.1 | 7.4 | 5.7 | 7.0 | 7.9 | 8.5 | 10.0 |
| Precipitation (mm) | 4 | 0 | 24 | 98 | 261 | 304 | 520 | 467 | 435 | 422 | 117 | 0 |
| Sunny days | 28 | 27 | 18 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 29 |
| Rainy days | 3 | 1 | 13 | 19 | 31 | 30 | 31 | 31 | 30 | 31 | 21 | 2 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Bom is at