Average annual temperature is 21.8 °C
Absolute maximum temperature: 42.0 °C
Absolute minimum temperature: -5.8 °C
Number of sunny days: 312 days
Number of rainy days: 53 days
Look at detailed online map of Dehī
* Weather data for Dehī 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) | 18.4 | 28.1 | 27.1 | 31.5 | 36.4 | 41.7 | 42.0 | 40.0 | 38.4 | 35.2 | 27.5 | 22.2 |
| Average daytime temperature (°C) | 13.7 | 23.5 | 22.8 | 27.3 | 33.9 | 37.9 | 37.3 | 37.2 | 34.7 | 30.2 | 22.7 | 20.1 |
| Average temperature (°C) | 7.1 | 16.4 | 17.2 | 21.2 | 27.7 | 30.6 | 29.6 | 29.6 | 27.1 | 24.1 | 17.2 | 13.9 |
| Average night temperature (°C) | 0.5 | 9.3 | 11.3 | 14.6 | 20.7 | 23.5 | 23.2 | 22.5 | 20.2 | 17.2 | 11.5 | 8.0 |
| Absolute minimum temperature (°C) | -5.8 | 3.6 | 6.4 | 9.8 | 16.2 | 22.1 | 21.9 | 19.3 | 14.6 | 13.3 | 7.8 | 2.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.7 | 11.2 | 12.0 | 12.8 | 13.5 | 13.8 | 13.6 | 13.1 | 12.3 | 11.5 | 10.8 | 10.5 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 9.1 | 10.1 | 10.3 | 10.6 | 11.7 | 11.2 | 10.8 | 11.6 | 11.3 | 10.2 | 9.7 | 9.6 |
| Precipitation (mm) | 8 | 2 | 34 | 9 | 1 | 7 | 6 | 0 | 0 | 4 | 11 | 0 |
| Sunny days | 24 | 27 | 17 | 21 | 27 | 25 | 26 | 30 | 29 | 29 | 27 | 30 |
| Rainy days | 7 | 1 | 14 | 9 | 4 | 5 | 5 | 1 | 1 | 2 | 3 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Dehī is at