Average annual temperature is 25.6 °C
Absolute maximum temperature: 37.2 °C
Absolute minimum temperature: 17.5 °C
Number of sunny days: 68 days
Number of rainy days: 297 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) | 35.8 | 36.9 | 37.2 | 35.2 | 34.8 | 32.2 | 32.3 | 32.6 | 32.5 | 32.3 | 32.3 | 35.3 |
| Average daytime temperature (°C) | 34.3 | 35.4 | 34.1 | 32.8 | 31.4 | 29.6 | 29.1 | 28.8 | 29.0 | 29.5 | 30.3 | 32.7 |
| Average temperature (°C) | 26.3 | 27.5 | 26.8 | 26.5 | 26.0 | 24.7 | 24.4 | 24.4 | 24.6 | 24.9 | 25.4 | 25.8 |
| Average night temperature (°C) | 21.0 | 22.6 | 22.6 | 23.3 | 23.2 | 22.5 | 22.3 | 22.4 | 22.5 | 22.5 | 22.7 | 21.3 |
| Absolute minimum temperature (°C) | 17.5 | 21.3 | 21.0 | 22.1 | 22.6 | 21.4 | 20.8 | 21.2 | 21.6 | 21.5 | 21.9 | 17.5 |
| 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 | 12.5 | 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) | 9.7 | 9.6 | 8.4 | 7.9 | 7.4 | 7.1 | 6.6 | 5.7 | 6.5 | 7.1 | 8.0 | 9.7 |
| Precipitation (mm) | 6 | 11 | 87 | 208 | 348 | 340 | 368 | 575 | 435 | 332 | 153 | 12 |
| Sunny days | 23 | 15 | 7 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 20 |
| Rainy days | 8 | 13 | 24 | 29 | 30 | 30 | 31 | 31 | 30 | 31 | 29 | 11 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Periwahun is at