Average annual temperature is 26.6 °C
Absolute maximum temperature: 39.3 °C
Absolute minimum temperature: 15.7 °C
Number of sunny days: 117 days
Number of rainy days: 248 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) | 39.3 | 38.5 | 39.3 | 37.4 | 36.0 | 33.7 | 33.1 | 33.1 | 32.5 | 33.0 | 34.0 | 36.7 |
| Average daytime temperature (°C) | 36.2 | 37.0 | 36.7 | 34.9 | 32.9 | 30.4 | 30.3 | 29.2 | 30.2 | 30.8 | 31.9 | 34.0 |
| Average temperature (°C) | 27.4 | 28.9 | 28.7 | 28.2 | 27.2 | 25.5 | 25.2 | 24.9 | 25.2 | 25.7 | 26.5 | 26.4 |
| Average night temperature (°C) | 20.1 | 22.6 | 23.2 | 23.9 | 23.9 | 23.1 | 22.7 | 22.7 | 22.8 | 23.0 | 23.1 | 20.3 |
| Absolute minimum temperature (°C) | 16.9 | 21.3 | 21.2 | 22.6 | 23.0 | 22.1 | 21.1 | 21.9 | 21.9 | 22.2 | 21.7 | 15.7 |
| 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 | 9.8 | 9.3 | 8.5 | 7.4 | 5.8 | 6.9 | 5.7 | 6.6 | 8.0 | 8.7 | 10.0 |
| Precipitation (mm) | 1 | 0 | 23 | 119 | 298 | 321 | 577 | 512 | 395 | 505 | 137 | 1 |
| Sunny days | 28 | 27 | 18 | 10 | 1 | 0 | 0 | 0 | 0 | 0 | 6 | 27 |
| Rainy days | 3 | 1 | 13 | 20 | 30 | 30 | 31 | 31 | 30 | 31 | 24 | 4 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Bom is at