Average annual temperature is 12.8 °C
Absolute maximum temperature: 38.6 °C
Absolute minimum temperature: -18.1 °C
Number of sunny days: 262 days
Number of rainy days: 87 days
Number of snow days: 16 days
Look at detailed online map of Chūmlū
* Weather data for Chūmlū 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) | 6.6 | 11.9 | 17.6 | 23.4 | 26.7 | 33.7 | 37.4 | 38.6 | 35.2 | 23.4 | 20.2 | 13.9 |
| Average daytime temperature (°C) | 2.9 | 2.9 | 13.4 | 17.8 | 22.5 | 29.1 | 34.0 | 33.8 | 29.1 | 20.5 | 14.3 | 9.6 |
| Average temperature (°C) | -2.3 | -2.5 | 7.1 | 11.1 | 15.8 | 22.4 | 26.7 | 26.5 | 21.6 | 14.1 | 8.4 | 4.2 |
| Average night temperature (°C) | -6.2 | -7.5 | 0.9 | 4.7 | 9.1 | 15.2 | 18.6 | 18.9 | 14.5 | 8.5 | 3.1 | -0.4 |
| Absolute minimum temperature (°C) | -9.8 | -18.1 | -4.7 | -5.0 | 2.9 | 10.4 | 14.9 | 14.3 | 10.1 | 4.8 | -4.7 | -4.8 |
| 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 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.3 | 9.7 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.0 | 8.4 | 8.3 | 10.7 | 11.6 | 13.4 | 12.8 | 11.9 | 11.4 | 9.5 | 7.9 | 7.3 |
| Precipitation (mm) | 36 | 31 | 93 | 38 | 43 | 1 | 0 | 0 | 1 | 18 | 31 | 30 |
| Sunny days | 19 | 18 | 15 | 18 | 16 | 27 | 31 | 29 | 29 | 21 | 18 | 21 |
| Rainy days | 5 | 2 | 16 | 11 | 15 | 3 | 0 | 2 | 1 | 10 | 12 | 10 |
| Snow days | 7 | 8 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Chūmlū during the most sunny months:
The largest precipitation sum in Chūmlū is at