Average annual temperature is 24.9 °C
Absolute maximum temperature: 37.1 °C
Absolute minimum temperature: 14.5 °C
Number of sunny days: 77 days
Number of rainy days: 288 days
Look at detailed online map of Periwama
* Weather data for Periwama 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) | 36.1 | 36.0 | 37.1 | 33.5 | 33.3 | 31.7 | 32.6 | 32.4 | 32.2 | 32.1 | 32.5 | 35.5 |
| Average daytime temperature (°C) | 33.7 | 34.2 | 32.3 | 31.8 | 31.1 | 29.4 | 29.2 | 28.6 | 29.1 | 29.5 | 30.2 | 32.3 |
| Average temperature (°C) | 25.0 | 27.0 | 25.9 | 25.8 | 25.3 | 24.3 | 24.0 | 23.8 | 24.0 | 24.4 | 24.8 | 24.6 |
| Average night temperature (°C) | 18.8 | 21.7 | 21.9 | 22.4 | 22.2 | 21.7 | 21.7 | 21.6 | 21.8 | 21.8 | 21.7 | 19.1 |
| Absolute minimum temperature (°C) | 14.5 | 19.7 | 19.4 | 20.9 | 21.4 | 20.4 | 20.7 | 20.4 | 20.9 | 21.2 | 20.1 | 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 | 12.5 | 12.4 | 12.2 | 11.9 | 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 | 8.5 | 8.3 | 7.6 | 7.3 | 7.3 | 5.8 | 7.0 | 7.9 | 8.2 | 10.0 |
| Precipitation (mm) | 20 | 4 | 72 | 158 | 297 | 258 | 433 | 426 | 363 | 310 | 149 | 3 |
| Sunny days | 21 | 22 | 8 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 20 |
| Rainy days | 10 | 6 | 23 | 27 | 31 | 30 | 31 | 31 | 30 | 31 | 27 | 11 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Periwama is at