Average annual temperature is 24.5 °C
Absolute maximum temperature: 37.1 °C
Absolute minimum temperature: 15.0 °C
Number of sunny days: 105 days
Number of rainy days: 260 days
Look at detailed online map of Periwahun
* Weather data for Periwahun 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) | 35.1 | 34.7 | 37.1 | 33.8 | 32.7 | 30.9 | 30.4 | 30.6 | 30.4 | 30.7 | 31.8 | 33.7 |
| Average daytime temperature (°C) | 32.6 | 33.3 | 32.3 | 31.5 | 30.0 | 28.2 | 28.3 | 27.5 | 28.1 | 28.7 | 29.3 | 31.1 |
| Average temperature (°C) | 24.8 | 26.4 | 25.8 | 25.7 | 25.0 | 23.8 | 23.5 | 23.4 | 23.6 | 24.0 | 24.2 | 24.0 |
| Average night temperature (°C) | 18.2 | 20.4 | 21.0 | 22.1 | 21.9 | 21.4 | 21.2 | 21.3 | 21.3 | 21.2 | 21.0 | 18.2 |
| Absolute minimum temperature (°C) | 15.0 | 18.0 | 18.5 | 20.7 | 21.0 | 20.6 | 20.0 | 20.0 | 20.4 | 20.6 | 19.4 | 15.1 |
| 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) | 9.9 | 10.1 | 9.1 | 8.7 | 7.6 | 6.6 | 7.1 | 5.6 | 7.5 | 8.4 | 8.8 | 10.3 |
| Precipitation (mm) | 14 | 1 | 62 | 187 | 269 | 299 | 387 | 459 | 361 | 274 | 153 | 3 |
| Sunny days | 26 | 26 | 14 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 27 |
| Rainy days | 5 | 2 | 17 | 23 | 31 | 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 Periwahun is at