Average annual temperature is 13.9 °C
Absolute maximum temperature: 34.3 °C
Absolute minimum temperature: -13.6 °C
Number of sunny days: 280 days
Number of rainy days: 74 days
Number of snow days: 11 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) | 4.9 | 11.8 | 17.3 | 21.8 | 29.0 | 34.3 | 33.8 | 33.5 | 31.0 | 24.7 | 16.1 | 13.4 |
| Average daytime temperature (°C) | 0.4 | 5.5 | 13.5 | 18.1 | 24.1 | 29.9 | 32.0 | 29.2 | 26.9 | 20.4 | 12.7 | 9.6 |
| Average temperature (°C) | -2.9 | 1.8 | 8.8 | 12.9 | 18.7 | 24.5 | 26.6 | 23.9 | 21.5 | 15.8 | 9.0 | 5.9 |
| Average night temperature (°C) | -6.8 | -2.4 | 3.4 | 7.2 | 12.2 | 18.3 | 20.8 | 18.0 | 15.8 | 10.8 | 5.2 | 1.8 |
| Absolute minimum temperature (°C) | -13.6 | -9.5 | -0.9 | 0.0 | 4.8 | 12.4 | 17.9 | 13.4 | 10.0 | 6.7 | -0.6 | -2.0 |
| 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 | 14.3 | 14.1 | 13.3 | 12.4 | 11.4 | 10.5 | 10.0 |
| 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 | 9.0 |
| Sunshine mean duration (h) | 7.8 | 8.2 | 9.9 | 11.1 | 12.1 | 12.9 | 12.8 | 11.9 | 10.7 | 9.9 | 8.9 | 8.7 |
| Precipitation (mm) | 40 | 47 | 21 | 16 | 8 | 5 | 0 | 1 | 0 | 9 | 15 | 6 |
| Sunny days | 20 | 13 | 17 | 18 | 22 | 26 | 31 | 29 | 29 | 25 | 23 | 27 |
| Rainy days | 3 | 13 | 13 | 12 | 9 | 4 | 0 | 2 | 1 | 6 | 7 | 4 |
| Snow days | 8 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Key is at