Average annual temperature is 23.6 °C
Absolute maximum temperature: 41.4 °C
Absolute minimum temperature: 3.2 °C
Number of sunny days: 316 days
Number of rainy days: 49 days
Look at detailed online map of Gerū Sīāhān
* Weather data for Gerū Sīāhān 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) | 17.1 | 25.0 | 27.7 | 31.4 | 37.7 | 41.4 | 40.7 | 40.2 | 38.3 | 37.0 | 27.9 | 23.6 |
| Average daytime temperature (°C) | 13.7 | 20.2 | 23.6 | 27.7 | 34.3 | 36.8 | 36.1 | 36.9 | 34.6 | 30.4 | 22.6 | 20.7 |
| Average temperature (°C) | 10.3 | 16.4 | 19.0 | 22.5 | 28.9 | 31.4 | 31.2 | 31.9 | 29.8 | 25.8 | 18.9 | 16.5 |
| Average night temperature (°C) | 6.7 | 13.1 | 14.4 | 17.2 | 23.3 | 26.6 | 26.8 | 26.9 | 25.4 | 21.4 | 14.9 | 11.8 |
| Absolute minimum temperature (°C) | 3.2 | 8.4 | 9.9 | 13.0 | 19.3 | 23.9 | 23.7 | 24.5 | 21.0 | 16.9 | 11.4 | 8.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.6 | 11.2 | 12.0 | 12.8 | 13.5 | 13.9 | 13.7 | 13.1 | 12.3 | 11.5 | 10.8 | 10.4 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 8.0 | 9.6 | 10.8 | 11.3 | 11.6 | 12.1 | 11.5 | 11.5 | 11.2 | 10.1 | 9.3 | 9.5 |
| Precipitation (mm) | 57 | 2 | 6 | 7 | 0 | 0 | 1 | 0 | 0 | 4 | 23 | 0 |
| Sunny days | 22 | 24 | 23 | 24 | 30 | 30 | 27 | 29 | 29 | 27 | 21 | 30 |
| Rainy days | 9 | 4 | 8 | 6 | 1 | 0 | 4 | 2 | 1 | 4 | 9 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Gerū Sīāhān is at