Average annual temperature is 21.1 °C
Absolute maximum temperature: 44.1 °C
Absolute minimum temperature: -4.7 °C
Number of sunny days: 312 days
Number of rainy days: 50 days
Number of snow days: 3 days
Look at detailed online map of Rījan
* Weather data for Rījan 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) | 13.9 | 19.9 | 28.6 | 32.4 | 40.4 | 42.8 | 44.1 | 43.5 | 40.9 | 34.8 | 24.1 | 19.9 |
| Average daytime temperature (°C) | 8.4 | 12.6 | 22.3 | 28.1 | 33.2 | 38.1 | 41.4 | 39.2 | 35.2 | 28.6 | 20.8 | 15.8 |
| Average temperature (°C) | 3.4 | 6.8 | 16.2 | 22.0 | 26.8 | 31.8 | 35.1 | 33.2 | 29.1 | 22.5 | 15.1 | 10.0 |
| Average night temperature (°C) | -1.1 | 1.7 | 9.8 | 14.5 | 19.1 | 24.4 | 27.8 | 26.2 | 22.2 | 16.0 | 9.6 | 4.4 |
| Absolute minimum temperature (°C) | -4.7 | -2.9 | 5.6 | 4.2 | 11.2 | 19.6 | 23.8 | 22.3 | 17.1 | 12.7 | 3.8 | 0.5 |
| 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) | 7.9 | 8.6 | 9.1 | 10.6 | 11.9 | 12.6 | 12.5 | 11.8 | 11.0 | 9.9 | 8.7 | 8.4 |
| Precipitation (mm) | 22 | 38 | 32 | 4 | 3 | 1 | 0 | 0 | 0 | 1 | 14 | 9 |
| Sunny days | 26 | 18 | 19 | 24 | 27 | 28 | 31 | 30 | 30 | 29 | 23 | 27 |
| Rainy days | 3 | 9 | 12 | 6 | 4 | 2 | 0 | 1 | 0 | 2 | 7 | 4 |
| Snow days | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rījan is at