Average annual temperature is 11.9 °C
Absolute maximum temperature: 36.4 °C
Absolute minimum temperature: -14.2 °C
Number of sunny days: 255 days
Number of rainy days: 87 days
Number of snow days: 23 days
Look at detailed online map of Rūyān
* Weather data for Rūyān 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) | 9.6 | 10.5 | 15.3 | 20.4 | 23.6 | 30.2 | 34.4 | 36.4 | 33.2 | 22.1 | 19.0 | 12.7 |
| Average daytime temperature (°C) | 3.6 | 1.4 | 9.6 | 14.5 | 19.4 | 26.0 | 31.2 | 32.4 | 27.7 | 19.2 | 12.1 | 8.1 |
| Average temperature (°C) | -1.5 | -2.4 | 5.2 | 9.2 | 14.3 | 20.3 | 24.8 | 25.6 | 20.8 | 13.5 | 7.7 | 3.9 |
| Average night temperature (°C) | -5.5 | -6.4 | 1.2 | 4.1 | 8.5 | 13.7 | 18.2 | 18.6 | 14.3 | 8.2 | 4.2 | 0.1 |
| Absolute minimum temperature (°C) | -12.0 | -14.2 | -6.6 | -7.7 | 1.6 | 9.3 | 14.2 | 14.5 | 11.7 | 5.7 | -2.1 | -4.6 |
| 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 | 7.8 | 8.1 | 10.3 | 11.6 | 13.6 | 13.3 | 12.1 | 11.5 | 9.6 | 7.1 | 6.5 |
| Precipitation (mm) | 54 | 108 | 207 | 130 | 37 | 2 | 0 | 0 | 0 | 3 | 121 | 146 |
| Sunny days | 17 | 16 | 14 | 17 | 16 | 28 | 31 | 30 | 30 | 21 | 15 | 20 |
| Rainy days | 3 | 1 | 17 | 12 | 15 | 2 | 0 | 1 | 0 | 10 | 15 | 11 |
| Snow days | 11 | 11 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Rūyān during the most sunny months:
The largest precipitation sum in Rūyān is at