Average annual temperature is 28.3 °C
Absolute maximum temperature: 41.5 °C
Absolute minimum temperature: 17.7 °C
Number of sunny days: 199 days
Number of rainy days: 166 days
Look at detailed online map of Biakou
* Weather data for Biakou 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) | 37.9 | 39.7 | 41.1 | 41.5 | 38.0 | 34.9 | 32.7 | 32.6 | 34.0 | 36.9 | 37.2 | 36.9 |
| Average daytime temperature (°C) | 35.0 | 37.5 | 37.8 | 38.0 | 34.8 | 32.0 | 31.1 | 29.6 | 30.5 | 32.9 | 35.2 | 34.5 |
| Average temperature (°C) | 27.5 | 30.1 | 31.1 | 31.7 | 29.6 | 27.7 | 26.8 | 25.6 | 26.3 | 27.6 | 28.8 | 26.6 |
| Average night temperature (°C) | 21.1 | 23.7 | 25.4 | 26.4 | 25.6 | 24.2 | 23.6 | 23.0 | 23.2 | 23.3 | 22.9 | 20.0 |
| Absolute minimum temperature (°C) | 17.7 | 20.1 | 22.4 | 24.2 | 24.0 | 22.3 | 22.5 | 22.0 | 21.8 | 19.4 | 19.1 | 18.1 |
| 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 | 9.5 | 9.8 | 9.5 | 9.1 | 7.6 | 8.4 | 9.7 | 10.7 | 10.3 |
| Precipitation (mm) | 0 | 0 | 23 | 25 | 57 | 96 | 127 | 264 | 122 | 80 | 4 | 0 |
| Sunny days | 31 | 28 | 23 | 18 | 16 | 5 | 4 | 1 | 3 | 14 | 25 | 31 |
| Rainy days | 0 | 0 | 8 | 12 | 15 | 25 | 27 | 30 | 27 | 17 | 5 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Biakou is at