Average annual temperature is 26.4 °C
Absolute maximum temperature: 38.7 °C
Absolute minimum temperature: 12.6 °C
Number of sunny days: 199 days
Number of rainy days: 166 days
Look at detailed online map of Koya
* Weather data for Koya Guinea is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 34.7 | 36.7 | 37.9 | 38.7 | 38.2 | 36.4 | 32.2 | 30.5 | 31.6 | 32.3 | 34.0 | 33.5 |
| Average daytime temperature (°C) | 32.3 | 34.7 | 35.8 | 37.1 | 34.6 | 31.7 | 28.8 | 27.8 | 28.5 | 30.0 | 32.3 | 31.5 |
| Average temperature (°C) | 25.6 | 28.6 | 29.6 | 30.7 | 28.6 | 26.4 | 24.1 | 23.5 | 23.9 | 24.9 | 26.4 | 25.1 |
| Average night temperature (°C) | 18.5 | 21.9 | 23.2 | 24.0 | 23.8 | 22.4 | 20.7 | 20.6 | 20.5 | 21.1 | 21.0 | 18.6 |
| Absolute minimum temperature (°C) | 16.3 | 18.5 | 21.4 | 22.3 | 21.6 | 21.0 | 19.7 | 19.9 | 19.3 | 19.9 | 18.2 | 12.6 |
| 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) | 11.5 | 11.8 | 12.1 | 12.4 | 12.7 | 12.8 | 12.7 | 12.5 | 12.2 | 11.9 | 11.6 | 11.4 |
| 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) | 10.3 | 10.2 | 10.4 | 10.5 | 8.9 | 9.3 | 9.4 | 8.0 | 9.2 | 9.3 | 10.7 | 10.4 |
| Precipitation (mm) | 0 | 0 | 4 | 1 | 83 | 157 | 254 | 226 | 277 | 90 | 2 | 0 |
| Sunny days | 31 | 27 | 28 | 28 | 11 | 7 | 0 | 2 | 2 | 6 | 26 | 31 |
| Rainy days | 0 | 1 | 3 | 2 | 20 | 23 | 31 | 29 | 28 | 25 | 4 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Koya is at