Average annual temperature is 15.5 °C
Absolute maximum temperature: 40.1 °C
Absolute minimum temperature: -11.4 °C
Number of sunny days: 300 days
Number of rainy days: 60 days
Number of snow days: 5 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) | 8.5 | 15.8 | 22.7 | 29.6 | 34.7 | 36.9 | 40.1 | 37.5 | 34.8 | 28.2 | 21.3 | 13.9 |
| Average daytime temperature (°C) | 4.7 | 9.1 | 18.4 | 22.9 | 27.9 | 31.7 | 33.8 | 32.8 | 28.6 | 22.3 | 16.4 | 11.0 |
| Average temperature (°C) | -0.2 | 3.7 | 12.5 | 16.5 | 21.3 | 24.7 | 26.7 | 25.8 | 21.3 | 16.1 | 10.9 | 5.8 |
| Average night temperature (°C) | -4.5 | -1.4 | 6.2 | 9.0 | 13.8 | 18.0 | 19.7 | 18.5 | 14.6 | 9.8 | 5.3 | 1.3 |
| Absolute minimum temperature (°C) | -11.4 | -6.1 | 1.2 | 0.1 | 5.7 | 14.5 | 17.8 | 14.3 | 8.5 | 6.1 | -0.6 | -1.7 |
| 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 | 13.0 | 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 | 10.3 | 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) | 8.1 | 8.4 | 9.4 | 10.9 | 11.8 | 12.3 | 13.0 | 12.4 | 11.3 | 9.7 | 8.8 | 8.0 |
| Precipitation (mm) | 9 | 18 | 40 | 14 | 3 | 20 | 0 | 0 | 0 | 7 | 12 | 2 |
| Sunny days | 27 | 17 | 20 | 20 | 23 | 25 | 31 | 30 | 29 | 24 | 25 | 29 |
| Rainy days | 3 | 7 | 11 | 10 | 8 | 5 | 0 | 1 | 1 | 7 | 5 | 2 |
| Snow days | 1 | 4 | 0 | 0 | 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