Average annual temperature is 23.9 °C
Absolute maximum temperature: 34.8 °C
Absolute minimum temperature: 15.8 °C
Number of sunny days: 124 days
Number of rainy days: 241 days
Look at detailed online map of Birimba
* Weather data for Birimba 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) | 32.4 | 34.2 | 34.8 | 33.3 | 32.2 | 30.8 | 30.5 | 31.9 | 31.3 | 30.9 | 31.3 | 32.9 |
| Average daytime temperature (°C) | 31.2 | 33.0 | 32.7 | 31.5 | 30.0 | 27.8 | 27.7 | 27.1 | 28.0 | 29.0 | 29.7 | 31.0 |
| Average temperature (°C) | 24.2 | 26.0 | 25.5 | 25.1 | 24.3 | 22.9 | 22.6 | 22.5 | 22.8 | 23.3 | 23.9 | 24.3 |
| Average night temperature (°C) | 18.6 | 19.7 | 20.1 | 20.9 | 20.9 | 20.2 | 20.0 | 20.0 | 20.0 | 20.1 | 19.8 | 18.8 |
| Absolute minimum temperature (°C) | 17.0 | 17.9 | 18.7 | 20.1 | 20.1 | 19.3 | 19.1 | 19.3 | 19.3 | 19.6 | 18.1 | 15.8 |
| 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) | 11.6 | 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) | 9.9 | 10.0 | 9.7 | 9.2 | 8.2 | 7.4 | 7.9 | 7.1 | 8.1 | 8.6 | 9.4 | 10.5 |
| Precipitation (mm) | 43 | 3 | 40 | 122 | 256 | 242 | 290 | 381 | 401 | 311 | 91 | 1 |
| Sunny days | 28 | 26 | 18 | 9 | 3 | 0 | 0 | 0 | 0 | 1 | 10 | 29 |
| Rainy days | 3 | 2 | 13 | 21 | 28 | 30 | 31 | 31 | 30 | 30 | 20 | 2 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Birimba is at