Average annual temperature is 28.8 °C
Absolute maximum temperature: 42.1 °C
Absolute minimum temperature: 17.0 °C
Number of sunny days: 199 days
Number of rainy days: 166 days
Look at detailed online map of Tiahounkossi
* Weather data for Tiahounkossi 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) | 38.5 | 40.0 | 41.7 | 42.1 | 39.6 | 36.0 | 35.2 | 32.2 | 34.2 | 36.8 | 38.0 | 38.5 |
| Average daytime temperature (°C) | 35.3 | 37.8 | 38.6 | 38.7 | 35.9 | 33.0 | 32.1 | 29.9 | 30.8 | 33.2 | 36.1 | 35.6 |
| Average temperature (°C) | 27.4 | 30.1 | 31.6 | 32.5 | 30.5 | 28.6 | 27.6 | 26.0 | 26.7 | 28.0 | 29.8 | 27.6 |
| Average night temperature (°C) | 20.4 | 23.1 | 25.4 | 27.1 | 26.1 | 24.7 | 24.2 | 23.4 | 23.5 | 23.7 | 23.9 | 20.6 |
| Absolute minimum temperature (°C) | 17.0 | 20.9 | 21.8 | 24.4 | 24.1 | 22.6 | 22.8 | 22.1 | 22.1 | 21.0 | 21.2 | 18.3 |
| 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 | 10.1 | 9.6 | 9.5 | 9.8 | 9.8 | 8.7 | 7.4 | 8.5 | 9.9 | 10.6 | 10.2 |
| Precipitation (mm) | 0 | 0 | 7 | 13 | 53 | 99 | 137 | 241 | 133 | 46 | 7 | 0 |
| Sunny days | 31 | 28 | 24 | 22 | 9 | 3 | 4 | 1 | 3 | 16 | 27 | 31 |
| Rainy days | 0 | 0 | 7 | 8 | 22 | 27 | 27 | 30 | 27 | 15 | 3 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Tiahounkossi is at