Average annual temperature is 14.0 °C
Absolute maximum temperature: 33.2 °C
Absolute minimum temperature: -11.9 °C
Number of sunny days: 175 days
Number of rainy days: 178 days
Number of snow days: 12 days
Look at detailed online map of Key
* Weather data for Key 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) | 16.0 | 17.6 | 24.7 | 29.4 | 30.9 | 28.4 | 33.2 | 30.5 | 30.9 | 29.0 | 24.6 | 21.8 |
| Average daytime temperature (°C) | 6.9 | 8.9 | 16.7 | 20.5 | 21.7 | 22.9 | 25.0 | 27.1 | 22.3 | 20.4 | 19.3 | 14.7 |
| Average temperature (°C) | 1.5 | 3.8 | 11.2 | 14.9 | 16.9 | 19.4 | 21.4 | 22.5 | 18.1 | 15.4 | 13.5 | 8.8 |
| Average night temperature (°C) | -3.8 | -0.9 | 5.7 | 9.0 | 11.8 | 15.6 | 18.2 | 18.0 | 14.1 | 11.0 | 9.1 | 3.9 |
| Absolute minimum temperature (°C) | -11.9 | -10.9 | 1.0 | -0.5 | 4.3 | 11.7 | 15.6 | 14.7 | 10.5 | 7.7 | 3.7 | -1.8 |
| 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 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| 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) | 7.6 | 7.3 | 7.2 | 9.4 | 8.8 | 7.0 | 7.1 | 9.1 | 7.5 | 7.8 | 7.9 | 7.3 |
| Precipitation (mm) | 34 | 88 | 56 | 33 | 109 | 148 | 105 | 68 | 98 | 129 | 62 | 42 |
| Sunny days | 19 | 15 | 11 | 17 | 11 | 7 | 7 | 17 | 12 | 17 | 18 | 24 |
| Rainy days | 6 | 7 | 20 | 13 | 20 | 23 | 24 | 14 | 18 | 14 | 12 | 7 |
| Snow days | 6 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Key is at