Average annual temperature is 19.2 °C
Absolute maximum temperature: 42.2 °C
Absolute minimum temperature: -14.5 °C
Number of sunny days: 311 days
Number of rainy days: 52 days
Number of snow days: 2 days
Look at detailed online map of Chehel Sar
* Weather data for Chehel Sar Iran is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 13.1 | 18.5 | 27.3 | 34.2 | 34.8 | 42.2 | 41.9 | 38.3 | 39.0 | 31.5 | 22.6 | 18.3 |
| Average daytime temperature (°C) | 7.0 | 12.4 | 21.6 | 27.0 | 31.3 | 37.2 | 37.7 | 35.6 | 31.2 | 26.0 | 19.2 | 14.3 |
| Average temperature (°C) | 1.9 | 7.2 | 15.9 | 20.9 | 25.1 | 30.9 | 31.1 | 28.9 | 24.4 | 20.0 | 14.0 | 9.0 |
| Average night temperature (°C) | -3.2 | 1.8 | 9.8 | 13.3 | 17.8 | 23.7 | 24.3 | 22.0 | 17.5 | 13.4 | 8.5 | 3.7 |
| Absolute minimum temperature (°C) | -14.5 | -3.8 | 4.7 | 3.4 | 8.7 | 20.0 | 21.6 | 16.2 | 11.7 | 10.2 | 1.2 | -0.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.2 | 13.4 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.8 | 7.6 | 9.4 | 11.3 | 11.2 | 12.3 | 12.5 | 12.1 | 11.4 | 9.8 | 8.9 | 8.0 |
| Precipitation (mm) | 10 | 45 | 20 | 1 | 10 | 0 | 0 | 0 | 0 | 7 | 4 | 2 |
| Sunny days | 24 | 14 | 22 | 28 | 27 | 30 | 31 | 30 | 30 | 26 | 21 | 28 |
| Rainy days | 5 | 14 | 9 | 2 | 4 | 0 | 0 | 1 | 0 | 5 | 9 | 3 |
| Snow days | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Chehel Sar is at