Average annual temperature is 25.7 °C
Absolute maximum temperature: 34.6 °C
Absolute minimum temperature: 18.3 °C
Number of sunny days: 57 days
Number of rainy days: 308 days
Look at detailed online map of Lahun
* Weather data for Lahun 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) | 34.0 | 34.6 | 34.5 | 33.8 | 33.1 | 30.9 | 31.5 | 32.2 | 32.2 | 32.2 | 32.7 | 34.1 |
| Average daytime temperature (°C) | 32.6 | 32.8 | 32.5 | 31.7 | 30.9 | 28.9 | 28.5 | 28.6 | 28.7 | 29.6 | 30.5 | 32.4 |
| Average temperature (°C) | 26.1 | 26.7 | 26.7 | 26.7 | 26.2 | 25.0 | 24.7 | 24.7 | 24.8 | 25.1 | 25.7 | 26.1 |
| Average night temperature (°C) | 21.9 | 23.0 | 23.1 | 23.6 | 23.4 | 22.9 | 22.6 | 22.6 | 22.6 | 22.8 | 22.8 | 21.9 |
| Absolute minimum temperature (°C) | 19.9 | 21.0 | 21.8 | 22.2 | 22.5 | 21.9 | 21.8 | 21.2 | 21.9 | 22.2 | 22.2 | 18.3 |
| 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) | 11.8 | 11.9 | 12.1 | 12.3 | 12.5 | 12.5 | 12.5 | 12.4 | 12.2 | 12.0 | 11.8 | 11.7 |
| 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) | 9.8 | 9.9 | 9.0 | 8.7 | 7.4 | 6.7 | 6.7 | 5.9 | 6.9 | 7.4 | 8.5 | 10.1 |
| Precipitation (mm) | 10 | 19 | 81 | 165 | 396 | 354 | 524 | 627 | 445 | 357 | 238 | 19 |
| Sunny days | 18 | 13 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 19 |
| Rainy days | 13 | 15 | 25 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 29 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Lahun is at