Average annual temperature is 14.7 °C
Absolute maximum temperature: 36.7 °C
Absolute minimum temperature: -11.3 °C
Number of sunny days: 272 days
Number of rainy days: 76 days
Number of snow days: 17 days
Look at detailed online map of Rījān
* Weather data for Rījān 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) | 6.2 | 11.0 | 19.5 | 23.7 | 30.3 | 34.2 | 36.7 | 35.4 | 32.4 | 26.7 | 18.5 | 15.6 |
| Average daytime temperature (°C) | 1.4 | 4.1 | 14.1 | 19.2 | 24.7 | 29.1 | 32.0 | 30.4 | 26.5 | 20.9 | 14.5 | 11.3 |
| Average temperature (°C) | -1.5 | 0.6 | 9.6 | 14.3 | 19.4 | 24.4 | 27.4 | 25.8 | 22.1 | 16.4 | 10.4 | 7.1 |
| Average night temperature (°C) | -4.7 | -2.9 | 5.2 | 8.7 | 13.1 | 18.8 | 21.8 | 20.2 | 16.9 | 11.7 | 6.2 | 3.3 |
| Absolute minimum temperature (°C) | -11.3 | -8.7 | 2.0 | -0.4 | 4.9 | 12.4 | 18.9 | 15.9 | 11.1 | 8.5 | 0.7 | -0.7 |
| 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 | 10.0 |
| Daylight mean duration (h) | 10.2 | 11.0 | 12.0 | 13.0 | 13.9 | 14.4 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 7.6 | 8.5 | 9.2 | 11.0 | 12.2 | 12.7 | 12.8 | 12.0 | 11.0 | 9.8 | 9.0 | 8.5 |
| Precipitation (mm) | 39 | 56 | 48 | 31 | 20 | 20 | 0 | 0 | 0 | 7 | 11 | 4 |
| Sunny days | 17 | 17 | 14 | 17 | 20 | 21 | 31 | 31 | 30 | 22 | 22 | 30 |
| Rainy days | 4 | 4 | 17 | 13 | 11 | 9 | 0 | 0 | 0 | 9 | 8 | 1 |
| Snow days | 10 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rījān is at