Average annual temperature is 16.4 °C
Absolute maximum temperature: 39.6 °C
Absolute minimum temperature: -4.5 °C
Number of sunny days: 243 days
Number of rainy days: 118 days
Number of snow days: 4 days
Look at detailed online map of Rūmlū
* Weather data for Rūmlū 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) | 14.8 | 20.4 | 27.6 | 29.3 | 34.4 | 35.8 | 38.6 | 39.6 | 36.4 | 28.8 | 26.0 | 21.3 |
| Average daytime temperature (°C) | 7.3 | 10.5 | 19.1 | 22.3 | 25.9 | 31.9 | 33.7 | 35.8 | 26.4 | 22.5 | 18.6 | 12.8 |
| Average temperature (°C) | 2.2 | 4.7 | 12.6 | 15.6 | 19.9 | 25.5 | 27.5 | 28.8 | 21.6 | 17.1 | 13.1 | 7.8 |
| Average night temperature (°C) | -1.4 | -0.2 | 7.2 | 9.8 | 14.5 | 19.6 | 21.8 | 22.4 | 17.6 | 12.7 | 8.5 | 3.9 |
| Absolute minimum temperature (°C) | -4.5 | -3.5 | 3.4 | 3.3 | 8.5 | 16.1 | 17.8 | 17.7 | 13.2 | 8.2 | 1.7 | -1.1 |
| 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 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 14.9 | 14.6 | 13.7 | 12.5 | 11.2 | 10.0 | 9.4 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.6 | 7.3 | 7.8 | 9.2 | 9.8 | 11.6 | 11.3 | 11.1 | 7.2 | 8.1 | 7.4 | 6.0 |
| Precipitation (mm) | 17 | 9 | 21 | 20 | 61 | 19 | 24 | 9 | 53 | 41 | 13 | 27 |
| Sunny days | 22 | 20 | 17 | 18 | 17 | 18 | 25 | 25 | 17 | 20 | 22 | 22 |
| Rainy days | 6 | 7 | 14 | 12 | 14 | 12 | 6 | 6 | 13 | 11 | 8 | 9 |
| Snow days | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Rūmlū during the most sunny months:
The largest precipitation sum in Rūmlū is at