Average annual temperature is 25.1 °C
Absolute maximum temperature: 36.8 °C
Absolute minimum temperature: 15.5 °C
Number of sunny days: 92 days
Number of rainy days: 273 days
Look at detailed online map of Koleine
* Weather data for Koleine 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) | 35.3 | 36.8 | 36.6 | 33.7 | 34.0 | 31.1 | 31.0 | 30.9 | 31.0 | 31.3 | 32.5 | 35.2 |
| Average daytime temperature (°C) | 33.1 | 33.7 | 32.3 | 31.7 | 30.9 | 28.8 | 28.7 | 28.2 | 28.9 | 29.3 | 29.7 | 31.9 |
| Average temperature (°C) | 25.4 | 27.3 | 26.3 | 26.1 | 25.6 | 24.3 | 24.0 | 23.9 | 24.2 | 24.5 | 24.9 | 25.0 |
| Average night temperature (°C) | 18.9 | 22.0 | 22.2 | 22.8 | 22.6 | 21.9 | 21.7 | 21.8 | 21.9 | 21.8 | 21.8 | 19.3 |
| Absolute minimum temperature (°C) | 15.5 | 20.5 | 20.2 | 21.4 | 21.5 | 21.2 | 20.6 | 20.6 | 21.1 | 20.8 | 19.8 | 16.5 |
| 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 | 9.7 | 8.7 | 8.7 | 7.5 | 6.6 | 7.1 | 5.9 | 7.7 | 7.9 | 8.3 | 10.0 |
| Precipitation (mm) | 55 | 4 | 77 | 180 | 285 | 300 | 407 | 449 | 323 | 358 | 124 | 1 |
| Sunny days | 25 | 24 | 12 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 25 |
| Rainy days | 6 | 4 | 19 | 28 | 31 | 30 | 31 | 31 | 30 | 30 | 27 | 6 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Koleine is at