Average annual temperature is 26.9 °C
Absolute maximum temperature: 39.4 °C
Absolute minimum temperature: 17.2 °C
Number of sunny days: 120 days
Number of rainy days: 245 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) | 39.1 | 38.5 | 39.4 | 37.8 | 36.8 | 33.8 | 33.1 | 33.4 | 32.9 | 33.1 | 34.5 | 37.2 |
| Average daytime temperature (°C) | 36.7 | 37.2 | 37.0 | 35.3 | 33.1 | 30.5 | 30.4 | 29.4 | 30.2 | 31.0 | 31.9 | 34.2 |
| Average temperature (°C) | 27.9 | 29.1 | 28.8 | 28.4 | 27.4 | 25.7 | 25.3 | 25.1 | 25.4 | 25.9 | 26.6 | 26.8 |
| Average night temperature (°C) | 20.7 | 22.8 | 23.3 | 24.0 | 24.1 | 23.2 | 22.8 | 22.8 | 22.9 | 23.1 | 23.2 | 20.8 |
| Absolute minimum temperature (°C) | 18.1 | 21.7 | 21.2 | 22.6 | 23.2 | 22.1 | 21.3 | 22.0 | 21.9 | 22.3 | 21.9 | 17.2 |
| 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 | 11.8 | 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 | 9.4 | 8.5 | 7.2 | 6.0 | 7.3 | 5.7 | 6.6 | 8.0 | 8.6 | 9.9 |
| Precipitation (mm) | 0 | 0 | 30 | 88 | 298 | 335 | 535 | 493 | 422 | 463 | 130 | 1 |
| Sunny days | 29 | 27 | 19 | 10 | 1 | 0 | 0 | 0 | 0 | 0 | 7 | 27 |
| Rainy days | 2 | 1 | 12 | 20 | 30 | 30 | 31 | 31 | 30 | 31 | 23 | 4 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Bom is at