Average annual temperature is 25.7 °C
Absolute maximum temperature: 38.7 °C
Absolute minimum temperature: 14.6 °C
Number of sunny days: 142 days
Number of rainy days: 223 days
Look at detailed online map of Kouïan
* Weather data for Kouïan 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) | 36.3 | 38.2 | 38.7 | 37.4 | 33.8 | 31.5 | 32.2 | 31.8 | 31.4 | 33.4 | 34.3 | 35.4 |
| Average daytime temperature (°C) | 33.8 | 36.0 | 35.7 | 34.4 | 31.4 | 29.2 | 28.9 | 28.4 | 29.2 | 30.1 | 31.9 | 33.6 |
| Average temperature (°C) | 25.5 | 27.9 | 28.1 | 27.6 | 26.3 | 24.7 | 24.2 | 24.0 | 24.5 | 25.0 | 25.7 | 25.2 |
| Average night temperature (°C) | 18.3 | 20.9 | 21.8 | 22.6 | 23.0 | 22.3 | 21.8 | 21.7 | 21.9 | 22.0 | 21.3 | 17.9 |
| Absolute minimum temperature (°C) | 15.3 | 18.6 | 20.1 | 21.3 | 22.0 | 21.3 | 20.1 | 20.6 | 20.8 | 21.0 | 18.4 | 14.6 |
| 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) | 11.6 | 11.8 | 12.1 | 12.3 | 12.6 | 12.7 | 12.6 | 12.4 | 12.2 | 11.9 | 11.7 | 11.5 |
| 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) | 9.9 | 9.9 | 9.8 | 9.5 | 7.1 | 6.9 | 7.3 | 5.7 | 7.0 | 7.8 | 9.2 | 10.1 |
| Precipitation (mm) | 10 | 0 | 23 | 77 | 168 | 286 | 356 | 477 | 372 | 338 | 62 | 2 |
| Sunny days | 29 | 27 | 23 | 19 | 1 | 0 | 0 | 0 | 0 | 0 | 13 | 30 |
| Rainy days | 2 | 1 | 8 | 11 | 30 | 30 | 31 | 31 | 30 | 31 | 17 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Kouïan is at