Average annual temperature is 25.1 °C
Absolute maximum temperature: 37.0 °C
Absolute minimum temperature: 15.4 °C
Number of sunny days: 127 days
Number of rainy days: 238 days
Look at detailed online map of Biradu
* Weather data for Biradu 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) | 34.4 | 36.5 | 37.0 | 36.9 | 33.9 | 31.6 | 31.8 | 31.7 | 31.3 | 32.4 | 33.1 | 35.0 |
| Average daytime temperature (°C) | 33.2 | 34.7 | 34.6 | 33.7 | 30.9 | 28.6 | 28.8 | 28.1 | 28.9 | 30.0 | 31.2 | 33.0 |
| Average temperature (°C) | 25.0 | 26.8 | 27.3 | 27.0 | 25.5 | 24.2 | 23.9 | 23.6 | 24.0 | 24.5 | 25.0 | 24.6 |
| Average night temperature (°C) | 17.9 | 20.1 | 21.4 | 22.4 | 22.4 | 21.6 | 21.3 | 21.2 | 21.2 | 21.2 | 20.9 | 17.8 |
| Absolute minimum temperature (°C) | 15.4 | 16.7 | 19.3 | 20.9 | 21.1 | 20.7 | 19.5 | 20.4 | 20.5 | 20.1 | 18.5 | 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) | 11.6 | 11.8 | 12.1 | 12.3 | 12.6 | 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 | 9.8 | 9.2 | 7.6 | 6.6 | 7.7 | 6.8 | 8.0 | 8.2 | 9.2 | 10.2 |
| Precipitation (mm) | 38 | 1 | 40 | 89 | 326 | 367 | 349 | 425 | 371 | 299 | 95 | 1 |
| Sunny days | 27 | 26 | 21 | 12 | 1 | 0 | 0 | 0 | 0 | 0 | 11 | 29 |
| Rainy days | 4 | 2 | 10 | 18 | 30 | 30 | 31 | 31 | 30 | 31 | 19 | 2 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Biradu is at