Average annual temperature is 27.0 °C
Absolute maximum temperature: 39.0 °C
Absolute minimum temperature: 15.7 °C
Number of sunny days: 224 days
Number of rainy days: 141 days
Look at detailed online map of Niénessani
* Weather data for Niénessani 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) | 35.8 | 37.2 | 39.0 | 39.0 | 38.1 | 35.3 | 33.1 | 32.0 | 33.3 | 36.2 | 35.5 | 34.8 |
| Average daytime temperature (°C) | 32.4 | 34.9 | 36.5 | 36.8 | 35.6 | 31.9 | 30.8 | 29.0 | 30.3 | 33.2 | 34.2 | 32.7 |
| Average temperature (°C) | 25.0 | 27.4 | 29.6 | 30.2 | 29.5 | 26.7 | 25.9 | 24.5 | 25.3 | 27.1 | 27.5 | 25.2 |
| Average night temperature (°C) | 18.5 | 20.9 | 23.2 | 24.6 | 24.4 | 22.9 | 22.4 | 21.6 | 21.8 | 22.3 | 21.9 | 19.1 |
| Absolute minimum temperature (°C) | 15.7 | 17.6 | 19.6 | 21.9 | 23.0 | 21.6 | 21.3 | 20.6 | 20.7 | 20.7 | 20.4 | 16.4 |
| 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 | 9.9 | 9.5 | 9.8 | 9.8 | 8.9 | 8.7 | 7.6 | 8.4 | 9.9 | 10.6 | 10.6 |
| Precipitation (mm) | 0 | 0 | 21 | 10 | 50 | 91 | 108 | 263 | 122 | 42 | 2 | 0 |
| Sunny days | 31 | 28 | 25 | 25 | 16 | 4 | 6 | 3 | 7 | 20 | 28 | 31 |
| Rainy days | 0 | 0 | 6 | 5 | 15 | 26 | 25 | 28 | 23 | 11 | 2 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Niénessani is at