Average annual temperature is 26.4 °C
Absolute maximum temperature: 38.4 °C
Absolute minimum temperature: 16.3 °C
Number of sunny days: 172 days
Number of rainy days: 193 days
Look at detailed online map of Tiassi
* Weather data for Tiassi 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) | 36.3 | 38.0 | 38.4 | 38.0 | 35.8 | 31.7 | 30.9 | 29.9 | 32.3 | 34.4 | 34.2 | 34.7 |
| Average daytime temperature (°C) | 33.9 | 36.0 | 35.3 | 34.9 | 32.8 | 29.7 | 29.0 | 28.2 | 29.1 | 31.3 | 33.0 | 33.0 |
| Average temperature (°C) | 26.4 | 28.6 | 28.5 | 28.7 | 27.3 | 25.4 | 25.0 | 24.4 | 24.9 | 25.8 | 26.8 | 25.4 |
| Average night temperature (°C) | 19.8 | 21.7 | 22.9 | 23.8 | 23.2 | 22.2 | 22.0 | 21.8 | 21.7 | 21.7 | 21.3 | 19.4 |
| Absolute minimum temperature (°C) | 17.6 | 19.8 | 18.6 | 22.8 | 21.7 | 21.3 | 21.2 | 21.0 | 20.6 | 20.4 | 18.9 | 16.3 |
| 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 | 12.3 | 12.6 | 12.7 | 12.6 | 12.4 | 12.2 | 11.9 | 11.7 | 11.6 |
| 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 | 9.1 | 9.3 | 9.9 | 8.9 | 9.1 | 7.9 | 8.5 | 9.7 | 10.6 | 10.4 |
| Precipitation (mm) | 0 | 1 | 25 | 32 | 164 | 132 | 176 | 283 | 204 | 120 | 17 | 0 |
| Sunny days | 31 | 26 | 23 | 18 | 8 | 1 | 1 | 0 | 1 | 11 | 21 | 31 |
| Rainy days | 0 | 2 | 8 | 12 | 23 | 29 | 30 | 31 | 29 | 20 | 9 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Tiassi is at