Average annual temperature is 15.1 °C
Absolute maximum temperature: 39.7 °C
Absolute minimum temperature: -12.9 °C
Number of sunny days: 258 days
Number of rainy days: 94 days
Number of snow days: 13 days
Look at detailed online map of Chalū
* Weather data for Chalū 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) | 12.2 | 16.1 | 24.1 | 30.9 | 33.9 | 36.2 | 38.5 | 39.7 | 36.2 | 29.1 | 22.8 | 18.8 |
| Average daytime temperature (°C) | 5.5 | 9.1 | 19.3 | 22.5 | 26.0 | 31.3 | 34.1 | 32.4 | 27.8 | 22.4 | 18.5 | 12.2 |
| Average temperature (°C) | 0.0 | 3.5 | 12.3 | 15.1 | 19.3 | 24.4 | 27.0 | 25.4 | 20.3 | 15.4 | 11.3 | 5.9 |
| Average night temperature (°C) | -4.5 | -1.4 | 5.9 | 8.0 | 12.9 | 17.7 | 20.2 | 19.0 | 14.1 | 9.4 | 5.3 | 0.8 |
| Absolute minimum temperature (°C) | -12.9 | -5.4 | 2.3 | 0.9 | 5.7 | 16.0 | 18.2 | 13.8 | 10.2 | 3.8 | -1.6 | -3.5 |
| 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 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| 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) | 7.9 | 6.9 | 8.8 | 10.3 | 10.3 | 12.0 | 12.5 | 12.0 | 11.4 | 9.3 | 8.5 | 7.1 |
| Precipitation (mm) | 15 | 55 | 28 | 20 | 32 | 8 | 3 | 22 | 0 | 23 | 12 | 17 |
| Sunny days | 18 | 12 | 19 | 19 | 19 | 23 | 28 | 24 | 29 | 23 | 20 | 24 |
| Rainy days | 5 | 11 | 12 | 11 | 12 | 7 | 3 | 7 | 1 | 8 | 10 | 7 |
| Snow days | 8 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Chalū during the most sunny months:
The largest precipitation sum in Chalū is at