Average annual temperature is 11.3 °C
Absolute maximum temperature: 31.8 °C
Absolute minimum temperature: -15.7 °C
Number of sunny days: 250 days
Number of rainy days: 101 days
Number of snow days: 14 days
Look at detailed online map of Rostāq
* Weather data for Rostāq 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) | 3.7 | 11.1 | 14.8 | 17.5 | 24.9 | 31.8 | 31.2 | 28.8 | 28.3 | 24.4 | 14.7 | 14.5 |
| Average daytime temperature (°C) | -0.4 | 6.5 | 11.0 | 14.9 | 20.9 | 26.9 | 28.9 | 26.2 | 24.3 | 19.0 | 11.4 | 8.9 |
| Average temperature (°C) | -4.5 | 2.6 | 5.7 | 9.4 | 15.6 | 21.1 | 23.0 | 20.1 | 18.9 | 13.7 | 6.4 | 3.3 |
| Average night temperature (°C) | -9.1 | -1.9 | 0.4 | 3.8 | 9.6 | 14.7 | 16.2 | 13.6 | 13.0 | 8.1 | 1.7 | -2.1 |
| Absolute minimum temperature (°C) | -15.7 | -6.9 | -6.8 | 0.2 | 4.8 | 11.1 | 13.8 | 10.2 | 8.0 | 3.5 | -1.1 | -8.2 |
| 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 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.5 | 11.2 | 12.0 | 12.9 | 13.6 | 14.0 | 13.8 | 13.2 | 12.3 | 11.5 | 10.7 | 10.3 |
| 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) | 7.6 | 8.5 | 10.4 | 11.1 | 11.6 | 10.9 | 11.8 | 11.5 | 10.1 | 10.2 | 9.1 | 9.2 |
| Precipitation (mm) | 97 | 45 | 38 | 43 | 26 | 19 | 0 | 1 | 1 | 9 | 37 | 13 |
| Sunny days | 17 | 18 | 15 | 8 | 17 | 19 | 29 | 30 | 27 | 22 | 20 | 28 |
| Rainy days | 6 | 10 | 12 | 22 | 14 | 11 | 2 | 1 | 3 | 9 | 10 | 1 |
| Snow days | 8 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The largest precipitation sum in Rostāq is at