Average annual temperature is 25.0 °C
Absolute maximum temperature: 38.4 °C
Absolute minimum temperature: 15.0 °C
Number of sunny days: 110 days
Number of rainy days: 255 days
Look at detailed online map of Ballu
* Weather data for Ballu 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) | 35.6 | 36.3 | 38.4 | 34.4 | 32.6 | 31.1 | 31.0 | 31.2 | 30.9 | 30.7 | 31.4 | 33.9 |
| Average daytime temperature (°C) | 33.7 | 34.8 | 33.6 | 32.1 | 30.5 | 28.6 | 28.6 | 27.7 | 28.3 | 28.7 | 29.1 | 31.2 |
| Average temperature (°C) | 25.5 | 27.6 | 26.6 | 26.2 | 25.4 | 24.1 | 23.9 | 23.7 | 23.9 | 24.2 | 24.5 | 24.1 |
| Average night temperature (°C) | 18.3 | 21.6 | 21.7 | 22.6 | 22.4 | 21.7 | 21.7 | 21.7 | 21.6 | 21.7 | 21.5 | 18.2 |
| Absolute minimum temperature (°C) | 15.3 | 20.1 | 19.0 | 21.3 | 21.6 | 20.4 | 20.1 | 20.5 | 20.6 | 20.8 | 19.9 | 15.0 |
| 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 | 11.9 | 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) | 10.0 | 9.9 | 9.0 | 8.8 | 7.4 | 7.0 | 6.9 | 5.4 | 6.7 | 7.6 | 8.2 | 10.1 |
| Precipitation (mm) | 12 | 0 | 61 | 202 | 316 | 287 | 379 | 474 | 338 | 322 | 157 | 10 |
| Sunny days | 27 | 27 | 16 | 7 | 1 | 0 | 0 | 0 | 0 | 0 | 5 | 27 |
| Rainy days | 4 | 1 | 15 | 23 | 30 | 30 | 31 | 31 | 30 | 31 | 25 | 4 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ballu is at