Average annual temperature is 26.8 °C
Absolute maximum temperature: 39.4 °C
Absolute minimum temperature: 14.9 °C
Number of sunny days: 213 days
Number of rainy days: 152 days
Look at detailed online map of Kossou
* Weather data for Kossou Benin is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 35.1 | 37.3 | 38.6 | 39.4 | 38.5 | 34.5 | 34.0 | 33.0 | 35.2 | 35.7 | 35.8 | 35.0 |
| Average daytime temperature (°C) | 31.9 | 34.2 | 36.5 | 37.3 | 35.3 | 32.1 | 31.8 | 29.8 | 31.4 | 33.6 | 34.9 | 32.7 |
| Average temperature (°C) | 24.0 | 26.3 | 28.8 | 30.0 | 28.8 | 26.5 | 26.1 | 24.8 | 25.8 | 27.2 | 27.9 | 24.9 |
| Average night temperature (°C) | 17.6 | 19.7 | 22.7 | 24.4 | 24.4 | 22.8 | 22.6 | 21.9 | 22.2 | 22.2 | 21.4 | 18.3 |
| Absolute minimum temperature (°C) | 14.9 | 17.3 | 19.3 | 22.1 | 23.1 | 21.7 | 21.1 | 20.9 | 20.8 | 20.1 | 19.0 | 15.5 |
| 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) | 11.6 | 11.8 | 12.1 | 12.4 | 12.6 | 12.7 | 12.7 | 12.5 | 12.2 | 11.9 | 11.6 | 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) | 10.1 | 10.2 | 9.5 | 9.9 | 9.9 | 9.5 | 9.3 | 7.2 | 8.8 | 10.1 | 10.7 | 10.4 |
| Precipitation (mm) | 0 | 0 | 18 | 21 | 53 | 122 | 136 | 301 | 120 | 20 | 1 | 0 |
| Sunny days | 31 | 28 | 26 | 24 | 11 | 2 | 5 | 2 | 4 | 23 | 26 | 31 |
| Rainy days | 0 | 0 | 5 | 6 | 20 | 28 | 26 | 29 | 26 | 8 | 4 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Kossou is at