Average annual temperature is 15.1 °C
Absolute maximum temperature: 36.9 °C
Absolute minimum temperature: -19.2 °C
Number of sunny days: 294 days
Number of rainy days: 63 days
Number of snow days: 8 days
Look at detailed online map of Rīgān
* Weather data for Rīgān 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) | 9.1 | 15.2 | 22.5 | 29.8 | 31.3 | 36.9 | 36.6 | 33.1 | 34.8 | 27.7 | 20.2 | 14.4 |
| Average daytime temperature (°C) | 3.4 | 8.4 | 17.7 | 22.7 | 26.9 | 32.3 | 32.1 | 30.1 | 27.0 | 22.4 | 16.0 | 11.5 |
| Average temperature (°C) | -1.5 | 3.8 | 12.1 | 16.6 | 20.3 | 26.1 | 26.0 | 23.9 | 19.8 | 16.1 | 10.7 | 6.4 |
| Average night temperature (°C) | -6.4 | -0.9 | 6.0 | 9.1 | 13.1 | 19.3 | 19.4 | 17.3 | 12.9 | 9.0 | 5.2 | 1.8 |
| Absolute minimum temperature (°C) | -19.2 | -13.2 | -0.3 | 1.1 | 4.6 | 15.4 | 16.2 | 12.3 | 7.2 | 5.1 | 0.6 | -2.6 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 8.0 | 7.6 | 9.5 | 11.0 | 11.1 | 12.7 | 12.9 | 12.1 | 11.4 | 9.9 | 8.9 | 8.1 |
| Precipitation (mm) | 13 | 70 | 37 | 6 | 14 | 2 | 0 | 0 | 0 | 3 | 12 | 5 |
| Sunny days | 23 | 12 | 20 | 25 | 18 | 27 | 31 | 31 | 30 | 28 | 21 | 28 |
| Rainy days | 4 | 12 | 11 | 5 | 13 | 3 | 0 | 0 | 0 | 3 | 9 | 3 |
| Snow days | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Rīgān during the most sunny months:
The largest precipitation sum in Rīgān is at