Average annual temperature is 7.6 °C
Absolute maximum temperature: 30.7 °C
Absolute minimum temperature: -21.3 °C
Number of sunny days: 213 days
Number of rainy days: 128 days
Number of snow days: 24 days
Look at detailed online map of Derāb
* Weather data for Derāb 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) | 6.4 | 5.9 | 13.2 | 19.6 | 23.3 | 29.5 | 30.7 | 30.4 | 29.0 | 20.2 | 15.5 | 10.4 |
| Average daytime temperature (°C) | -2.3 | -1.9 | 9.4 | 13.5 | 17.7 | 22.2 | 24.4 | 25.9 | 20.7 | 15.5 | 10.5 | 4.9 |
| Average temperature (°C) | -6.7 | -6.4 | 4.0 | 7.4 | 11.4 | 15.4 | 17.8 | 18.8 | 13.4 | 9.3 | 5.4 | 0.7 |
| Average night temperature (°C) | -10.9 | -12.0 | -1.3 | 1.0 | 4.8 | 9.1 | 12.3 | 12.3 | 7.7 | 4.0 | 1.0 | -3.4 |
| Absolute minimum temperature (°C) | -19.2 | -21.3 | -6.3 | -11.0 | -1.1 | 6.7 | 9.0 | 8.3 | 3.5 | 0.5 | -4.5 | -10.5 |
| 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 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.6 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.8 | 9.0 | 9.1 | 11.1 | 11.8 | 13.4 | 13.2 | 12.2 | 11.1 | 9.7 | 8.0 | 7.2 |
| Precipitation (mm) | 39 | 32 | 110 | 48 | 79 | 27 | 4 | 1 | 2 | 28 | 28 | 60 |
| Sunny days | 23 | 17 | 11 | 10 | 6 | 17 | 23 | 27 | 25 | 19 | 16 | 19 |
| Rainy days | 1 | 0 | 19 | 18 | 25 | 13 | 8 | 4 | 5 | 12 | 13 | 10 |
| Snow days | 7 | 11 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The best time to visit Derāb during the most sunny months:
The largest precipitation sum in Derāb is at