Average annual temperature is 14.3 °C
Absolute maximum temperature: 35.2 °C
Absolute minimum temperature: -12.6 °C
Number of sunny days: 268 days
Number of rainy days: 90 days
Number of snow days: 7 days
Look at detailed online map of Rūmīn
* Weather data for Rūmīn 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) | 8.1 | 15.3 | 17.1 | 22.5 | 26.9 | 32.8 | 35.2 | 30.4 | 29.6 | 26.6 | 17.8 | 15.7 |
| Average daytime temperature (°C) | 2.3 | 10.9 | 13.0 | 17.0 | 23.4 | 28.9 | 29.8 | 27.2 | 25.6 | 20.6 | 14.3 | 11.6 |
| Average temperature (°C) | -0.7 | 6.5 | 8.5 | 12.5 | 18.6 | 23.9 | 24.9 | 22.4 | 20.9 | 16.2 | 10.0 | 7.3 |
| Average night temperature (°C) | -4.4 | 1.5 | 3.7 | 7.1 | 12.6 | 18.1 | 18.8 | 16.6 | 15.1 | 10.8 | 5.2 | 2.5 |
| Absolute minimum temperature (°C) | -12.6 | -3.9 | -3.3 | 2.0 | 8.5 | 13.5 | 15.1 | 13.3 | 9.9 | 7.5 | 1.7 | -2.4 |
| 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) | 10.5 | 11.2 | 12.0 | 12.9 | 13.6 | 14.0 | 13.8 | 13.2 | 12.3 | 11.5 | 10.7 | 10.3 |
| 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) | 8.2 | 9.8 | 10.5 | 11.3 | 11.5 | 11.0 | 12.5 | 12.0 | 11.5 | 10.2 | 9.3 | 9.5 |
| Precipitation (mm) | 69 | 38 | 42 | 54 | 14 | 19 | 0 | 0 | 0 | 17 | 10 | 8 |
| Sunny days | 18 | 21 | 9 | 16 | 21 | 18 | 29 | 30 | 30 | 25 | 22 | 29 |
| Rainy days | 6 | 7 | 22 | 14 | 10 | 12 | 2 | 1 | 0 | 6 | 8 | 2 |
| Snow days | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rūmīn is at