Average annual temperature is 25.6 °C
Absolute maximum temperature: 33.3 °C
Absolute minimum temperature: 18.5 °C
Number of sunny days: 46 days
Number of rainy days: 319 days
Look at detailed online map of Koijei
* Weather data for Koijei 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) | 32.9 | 32.5 | 32.2 | 32.4 | 31.9 | 29.9 | 29.7 | 29.5 | 30.7 | 31.4 | 31.8 | 33.3 |
| Average daytime temperature (°C) | 31.1 | 30.9 | 30.5 | 30.3 | 30.0 | 28.1 | 27.7 | 27.3 | 27.8 | 28.8 | 29.6 | 31.4 |
| Average temperature (°C) | 26.0 | 26.5 | 26.4 | 26.6 | 26.1 | 25.1 | 24.6 | 24.7 | 24.7 | 25.0 | 25.6 | 26.1 |
| Average night temperature (°C) | 22.5 | 23.5 | 23.6 | 24.1 | 23.6 | 23.1 | 22.7 | 22.9 | 22.7 | 22.7 | 22.9 | 22.0 |
| Absolute minimum temperature (°C) | 20.3 | 21.9 | 22.6 | 22.4 | 22.6 | 22.0 | 21.6 | 21.6 | 21.8 | 21.8 | 22.2 | 18.5 |
| 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) | 11.8 | 11.9 | 12.1 | 12.3 | 12.4 | 12.5 | 12.5 | 12.3 | 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 | 10.0 | 9.2 | 9.2 | 8.0 | 6.5 | 7.1 | 6.3 | 7.0 | 8.2 | 9.3 | 10.3 |
| Precipitation (mm) | 26 | 24 | 88 | 150 | 345 | 337 | 586 | 623 | 472 | 415 | 232 | 31 |
| Sunny days | 15 | 8 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 |
| Rainy days | 16 | 20 | 26 | 29 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 14 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Koijei is at