Average annual temperature is 28.0 °C
Absolute maximum temperature: 40.9 °C
Absolute minimum temperature: 15.7 °C
Number of sunny days: 232 days
Number of rainy days: 133 days
Look at detailed online map of Passaou
* Weather data for Passaou 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) | 37.2 | 38.8 | 40.9 | 40.4 | 39.0 | 36.1 | 34.2 | 32.7 | 34.4 | 34.9 | 35.4 | 34.7 |
| Average daytime temperature (°C) | 33.4 | 36.1 | 38.1 | 38.2 | 36.4 | 32.5 | 32.0 | 29.6 | 30.9 | 33.1 | 34.2 | 32.6 |
| Average temperature (°C) | 25.7 | 28.5 | 31.5 | 32.1 | 30.8 | 27.9 | 27.2 | 25.6 | 26.5 | 27.8 | 27.9 | 25.0 |
| Average night temperature (°C) | 18.7 | 21.2 | 24.9 | 26.3 | 25.9 | 24.2 | 23.7 | 22.9 | 23.2 | 23.5 | 22.3 | 18.2 |
| Absolute minimum temperature (°C) | 15.8 | 18.5 | 21.4 | 23.0 | 23.8 | 22.2 | 22.6 | 21.6 | 20.9 | 22.1 | 19.7 | 15.7 |
| 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 | 10.0 | 9.4 | 9.7 | 9.7 | 9.6 | 9.9 | 7.5 | 8.7 | 10.3 | 10.7 | 10.6 |
| Precipitation (mm) | 0 | 0 | 10 | 30 | 45 | 56 | 125 | 247 | 109 | 34 | 13 | 0 |
| Sunny days | 31 | 28 | 28 | 23 | 17 | 6 | 6 | 4 | 8 | 22 | 28 | 31 |
| Rainy days | 0 | 0 | 3 | 7 | 14 | 24 | 25 | 27 | 22 | 9 | 2 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Passaou is at