Average annual temperature is 22.1 °C
Absolute maximum temperature: 42.5 °C
Absolute minimum temperature: -5.1 °C
Number of sunny days: 287 days
Number of rainy days: 78 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) | 19.6 | 29.0 | 28.1 | 32.9 | 37.7 | 40.8 | 42.5 | 38.9 | 38.8 | 36.8 | 29.2 | 23.5 |
| Average daytime temperature (°C) | 14.0 | 24.5 | 24.0 | 28.4 | 34.5 | 37.2 | 35.7 | 37.0 | 34.4 | 30.7 | 23.2 | 20.4 |
| Average temperature (°C) | 7.8 | 17.6 | 18.4 | 22.3 | 28.1 | 30.1 | 28.3 | 28.9 | 26.8 | 24.5 | 17.8 | 14.6 |
| Average night temperature (°C) | 2.5 | 11.1 | 12.7 | 16.0 | 21.2 | 23.0 | 22.3 | 22.0 | 20.1 | 18.4 | 12.3 | 9.2 |
| Absolute minimum temperature (°C) | -5.1 | 4.5 | 8.8 | 11.3 | 15.3 | 20.7 | 20.1 | 19.9 | 15.5 | 13.4 | 8.8 | 5.0 |
| 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 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.7 | 11.3 | 12.0 | 12.8 | 13.5 | 13.8 | 13.6 | 13.1 | 12.3 | 11.5 | 10.8 | 10.5 |
| 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) | 9.2 | 10.0 | 10.2 | 10.8 | 11.6 | 11.4 | 10.4 | 11.7 | 11.3 | 10.2 | 9.7 | 9.5 |
| Precipitation (mm) | 11 | 0 | 39 | 12 | 17 | 7 | 41 | 5 | 0 | 4 | 5 | 3 |
| Sunny days | 25 | 27 | 18 | 20 | 26 | 23 | 14 | 25 | 30 | 27 | 24 | 28 |
| Rainy days | 6 | 1 | 13 | 10 | 5 | 7 | 17 | 6 | 0 | 4 | 6 | 3 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rīgān is at