Average annual temperature is 27.6 °C
Absolute maximum temperature: 39.6 °C
Absolute minimum temperature: 19.8 °C
Number of sunny days: 115 days
Number of rainy days: 250 days
Look at detailed online map of Kétou
* Weather data for Kétou 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) | 38.1 | 39.6 | 38.2 | 37.1 | 36.9 | 35.0 | 32.0 | 31.9 | 32.1 | 34.4 | 36.9 | 38.4 |
| Average daytime temperature (°C) | 36.5 | 37.9 | 35.6 | 34.2 | 34.1 | 31.2 | 30.2 | 29.9 | 29.9 | 31.5 | 34.2 | 36.7 |
| Average temperature (°C) | 28.9 | 30.1 | 28.8 | 28.5 | 28.2 | 26.2 | 25.6 | 25.5 | 25.5 | 26.5 | 28.1 | 29.2 |
| Average night temperature (°C) | 23.2 | 24.8 | 24.6 | 24.9 | 24.8 | 23.5 | 23.1 | 22.9 | 22.9 | 23.6 | 24.2 | 23.0 |
| Absolute minimum temperature (°C) | 19.8 | 22.7 | 23.1 | 23.6 | 23.5 | 22.2 | 22.4 | 22.1 | 21.8 | 22.2 | 22.3 | 20.5 |
| 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) | 11.7 | 11.9 | 12.1 | 12.3 | 12.5 | 12.5 | 12.5 | 12.4 | 12.2 | 12.0 | 11.8 | 11.7 |
| 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) | 9.6 | 9.8 | 8.1 | 8.0 | 8.7 | 7.1 | 7.8 | 7.6 | 7.1 | 8.0 | 9.7 | 10.2 |
| Precipitation (mm) | 1 | 1 | 112 | 70 | 102 | 159 | 194 | 172 | 150 | 128 | 22 | 0 |
| Sunny days | 25 | 24 | 7 | 8 | 0 | 2 | 0 | 0 | 1 | 2 | 16 | 30 |
| Rainy days | 6 | 4 | 24 | 22 | 31 | 28 | 31 | 31 | 29 | 29 | 14 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Kétou is at