Average annual temperature is 18.7 °C
Absolute maximum temperature: 39.7 °C
Absolute minimum temperature: -8.2 °C
Number of sunny days: 303 days
Number of rainy days: 60 days
Number of snow days: 2 days
Look at detailed online map of Reg
* Weather data for Reg 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) | 15.0 | 21.4 | 24.5 | 27.6 | 33.0 | 39.4 | 39.7 | 35.2 | 36.0 | 29.5 | 21.1 | 16.2 |
| Average daytime temperature (°C) | 6.3 | 13.5 | 19.5 | 24.1 | 29.3 | 35.7 | 35.5 | 32.9 | 31.0 | 25.0 | 17.1 | 13.8 |
| Average temperature (°C) | 2.4 | 9.0 | 14.7 | 19.2 | 24.1 | 30.0 | 29.1 | 26.8 | 25.1 | 20.4 | 13.1 | 9.7 |
| Average night temperature (°C) | -1.9 | 4.4 | 9.1 | 13.4 | 17.8 | 23.4 | 22.6 | 20.5 | 18.5 | 14.7 | 8.9 | 5.0 |
| Absolute minimum temperature (°C) | -8.2 | -3.4 | 3.6 | 6.6 | 10.7 | 19.2 | 19.6 | 16.3 | 10.9 | 9.5 | 1.6 | -0.2 |
| 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) | 10.3 | 11.0 | 12.0 | 13.0 | 13.8 | 14.2 | 14.0 | 13.3 | 12.4 | 11.4 | 10.5 | 10.1 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 7.9 | 8.4 | 10.0 | 11.2 | 11.4 | 12.0 | 12.7 | 12.1 | 11.5 | 10.2 | 9.0 | 8.7 |
| Precipitation (mm) | 26 | 41 | 16 | 3 | 2 | 0 | 0 | 0 | 0 | 1 | 24 | 5 |
| Sunny days | 23 | 14 | 17 | 25 | 26 | 29 | 31 | 31 | 30 | 27 | 22 | 28 |
| Rainy days | 6 | 14 | 14 | 5 | 5 | 1 | 0 | 0 | 0 | 4 | 8 | 3 |
| Snow days | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Reg is at