Average annual temperature is 26.8 °C
Absolute maximum temperature: 40.5 °C
Absolute minimum temperature: 15.9 °C
Number of sunny days: 128 days
Number of rainy days: 237 days
Look at detailed online map of Koya
* Weather data for Koya 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) | 39.0 | 39.6 | 40.5 | 38.7 | 36.7 | 34.0 | 32.8 | 33.0 | 32.9 | 32.9 | 35.8 | 38.0 |
| Average daytime temperature (°C) | 36.9 | 37.7 | 36.9 | 35.8 | 33.0 | 30.5 | 30.4 | 29.6 | 30.4 | 30.9 | 32.4 | 35.2 |
| Average temperature (°C) | 27.6 | 29.2 | 28.7 | 28.7 | 27.4 | 25.6 | 25.2 | 24.9 | 25.3 | 25.7 | 26.6 | 26.6 |
| Average night temperature (°C) | 19.8 | 22.1 | 22.7 | 23.7 | 24.1 | 23.2 | 22.7 | 22.7 | 22.7 | 22.9 | 22.8 | 19.7 |
| Absolute minimum temperature (°C) | 16.3 | 20.1 | 20.2 | 22.4 | 23.2 | 22.3 | 21.0 | 21.7 | 22.1 | 22.1 | 21.7 | 15.9 |
| 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) | 11.6 | 11.8 | 12.1 | 12.3 | 12.6 | 12.7 | 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) | 9.8 | 9.9 | 9.6 | 9.1 | 7.3 | 6.4 | 7.4 | 6.0 | 7.0 | 7.0 | 8.7 | 9.9 |
| Precipitation (mm) | 1 | 0 | 24 | 81 | 229 | 284 | 485 | 540 | 451 | 357 | 91 | 4 |
| Sunny days | 29 | 26 | 21 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 28 |
| Rainy days | 2 | 2 | 10 | 16 | 31 | 30 | 31 | 31 | 30 | 31 | 20 | 3 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Koya is at