Average annual temperature is 26.6 °C
Absolute maximum temperature: 38.4 °C
Absolute minimum temperature: 14.9 °C
Number of sunny days: 205 days
Number of rainy days: 160 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) | 34.8 | 36.6 | 38.4 | 37.8 | 37.6 | 34.4 | 34.6 | 33.0 | 36.2 | 37.0 | 36.7 | 35.4 |
| Average daytime temperature (°C) | 32.0 | 33.9 | 36.1 | 36.2 | 35.1 | 31.8 | 31.8 | 29.9 | 31.9 | 34.1 | 35.1 | 33.4 |
| Average temperature (°C) | 23.9 | 26.0 | 28.7 | 29.4 | 28.6 | 26.4 | 25.9 | 24.8 | 25.7 | 27.2 | 27.7 | 25.0 |
| Average night temperature (°C) | 17.5 | 19.6 | 23.1 | 24.3 | 24.1 | 22.8 | 22.3 | 21.7 | 22.0 | 22.5 | 22.0 | 18.4 |
| Absolute minimum temperature (°C) | 14.9 | 17.2 | 19.1 | 22.0 | 22.3 | 21.6 | 21.4 | 20.9 | 20.9 | 21.3 | 18.7 | 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 | 12.4 | 12.6 | 12.7 | 12.7 | 12.5 | 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) | 10.1 | 10.0 | 9.1 | 9.9 | 9.8 | 8.5 | 8.7 | 6.9 | 7.9 | 9.3 | 10.6 | 10.5 |
| Precipitation (mm) | 0 | 0 | 29 | 18 | 37 | 95 | 137 | 245 | 118 | 52 | 5 | 0 |
| Sunny days | 31 | 28 | 25 | 23 | 11 | 3 | 6 | 2 | 2 | 17 | 26 | 31 |
| Rainy days | 0 | 0 | 6 | 7 | 20 | 27 | 25 | 29 | 28 | 14 | 4 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Kossou is at