Average annual temperature is 29.3 °C
Absolute maximum temperature: 42.1 °C
Absolute minimum temperature: 14.5 °C
Number of sunny days: 288 days
Number of rainy days: 77 days
Look at detailed online map of Siref
* Weather data for Siref Chad is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 38.2 | 39.1 | 40.6 | 42.1 | 41.6 | 40.0 | 38.3 | 38.2 | 39.6 | 40.4 | 39.0 | 37.0 |
| Average daytime temperature (°C) | 34.0 | 35.7 | 37.7 | 40.0 | 39.4 | 35.0 | 35.1 | 33.6 | 36.1 | 38.1 | 37.0 | 34.1 |
| Average temperature (°C) | 25.3 | 26.8 | 30.6 | 33.0 | 33.6 | 29.3 | 29.2 | 27.6 | 29.5 | 31.4 | 30.0 | 25.7 |
| Average night temperature (°C) | 17.7 | 19.0 | 24.0 | 25.9 | 27.9 | 24.3 | 24.4 | 23.1 | 24.1 | 25.0 | 23.6 | 18.2 |
| Absolute minimum temperature (°C) | 14.7 | 14.5 | 20.1 | 22.9 | 23.2 | 22.2 | 21.8 | 21.6 | 22.1 | 22.2 | 20.3 | 15.6 |
| 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) | 11.4 | 11.7 | 12.1 | 12.4 | 12.7 | 12.9 | 12.8 | 12.6 | 12.2 | 11.8 | 11.5 | 11.4 |
| 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) | 10.6 | 10.7 | 10.3 | 10.6 | 10.0 | 9.4 | 9.4 | 9.4 | 9.2 | 10.5 | 10.5 | 10.6 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 36 | 45 | 62 | 21 | 12 | 0 | 0 |
| Sunny days | 31 | 28 | 31 | 29 | 30 | 15 | 13 | 9 | 14 | 28 | 29 | 31 |
| Rainy days | 0 | 0 | 0 | 1 | 1 | 15 | 18 | 22 | 16 | 3 | 1 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Siref is at