Average annual temperature is 27.4 °C
Absolute maximum temperature: 40.3 °C
Absolute minimum temperature: 16.7 °C
Number of sunny days: 201 days
Number of rainy days: 164 days
Look at detailed online map of Siri
* Weather data for Siri 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 | 38.1 | 40.0 | 40.3 | 38.6 | 35.2 | 33.4 | 32.5 | 33.9 | 37.0 | 36.3 | 35.7 |
| Average daytime temperature (°C) | 33.2 | 35.6 | 37.4 | 38.0 | 35.7 | 32.2 | 31.1 | 29.1 | 30.9 | 33.9 | 35.4 | 33.2 |
| Average temperature (°C) | 25.6 | 28.1 | 29.8 | 31.0 | 29.2 | 26.9 | 26.1 | 24.7 | 25.8 | 27.4 | 28.7 | 25.8 |
| Average night temperature (°C) | 19.5 | 21.9 | 23.7 | 25.0 | 24.7 | 23.2 | 22.7 | 22.0 | 22.2 | 22.7 | 22.8 | 19.7 |
| Absolute minimum temperature (°C) | 16.7 | 18.7 | 20.9 | 22.4 | 22.7 | 21.8 | 21.3 | 21.5 | 21.3 | 21.2 | 20.8 | 17.4 |
| 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 | 11.6 | 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 | 10.3 | 9.5 | 9.5 | 9.8 | 9.8 | 9.1 | 7.5 | 8.8 | 9.7 | 10.7 | 10.4 |
| Precipitation (mm) | 0 | 0 | 35 | 22 | 86 | 109 | 205 | 271 | 134 | 50 | 27 | 0 |
| Sunny days | 31 | 28 | 26 | 19 | 12 | 3 | 4 | 1 | 3 | 18 | 25 | 31 |
| Rainy days | 0 | 0 | 5 | 11 | 19 | 27 | 27 | 30 | 27 | 13 | 5 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Siri is at