Average annual temperature is 11.2 °C
Absolute maximum temperature: 33.7 °C
Absolute minimum temperature: -18.0 °C
Number of sunny days: 231 days
Number of rainy days: 105 days
Number of snow days: 29 days
Look at detailed online map of Dek
* Weather data for Dek 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) | 7.0 | 7.0 | 14.6 | 19.8 | 27.9 | 30.7 | 33.4 | 33.7 | 31.3 | 22.2 | 17.2 | 13.1 |
| Average daytime temperature (°C) | -0.3 | -0.3 | 8.9 | 14.7 | 20.0 | 25.4 | 30.3 | 29.3 | 25.4 | 17.8 | 11.8 | 7.2 |
| Average temperature (°C) | -3.9 | -3.4 | 5.3 | 9.8 | 15.2 | 20.4 | 24.1 | 23.5 | 19.6 | 13.2 | 6.8 | 2.6 |
| Average night temperature (°C) | -8.5 | -7.9 | 1.5 | 3.5 | 9.3 | 13.7 | 17.0 | 16.8 | 13.6 | 7.5 | 1.3 | -2.0 |
| Absolute minimum temperature (°C) | -18.0 | -17.6 | -2.9 | -7.9 | 2.6 | 9.2 | 14.0 | 13.0 | 7.8 | 3.6 | -13.0 | -10.1 |
| 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 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.2 | 9.7 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.9 | 7.9 | 7.8 | 10.9 | 12.0 | 12.8 | 13.0 | 12.4 | 11.3 | 9.7 | 8.2 | 7.3 |
| Precipitation (mm) | 45 | 33 | 163 | 71 | 33 | 22 | 8 | 1 | 0 | 26 | 59 | 53 |
| Sunny days | 18 | 15 | 12 | 13 | 11 | 22 | 22 | 25 | 30 | 21 | 20 | 22 |
| Rainy days | 0 | 2 | 17 | 16 | 20 | 8 | 9 | 6 | 0 | 10 | 9 | 8 |
| Snow days | 13 | 11 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The best time to visit Dek during the most sunny months:
The largest precipitation sum in Dek is at