Average annual temperature is 12.2 °C
Absolute maximum temperature: 35.1 °C
Absolute minimum temperature: -13.0 °C
Number of sunny days: 252 days
Number of rainy days: 95 days
Number of snow days: 18 days
Look at detailed online map of Ḩeydarlū-ye Sīr
* Weather data for Ḩeydarlū-ye Sīr 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) | 5.6 | 11.4 | 15.5 | 22.2 | 25.2 | 32.2 | 35.1 | 35.0 | 33.9 | 23.4 | 18.4 | 11.3 |
| Average daytime temperature (°C) | 2.2 | 1.5 | 11.9 | 16.2 | 20.8 | 27.4 | 31.0 | 31.5 | 26.1 | 18.7 | 13.5 | 7.6 |
| Average temperature (°C) | -1.2 | -2.4 | 6.7 | 10.3 | 15.1 | 21.1 | 24.6 | 25.1 | 19.8 | 13.2 | 8.5 | 4.2 |
| Average night temperature (°C) | -3.8 | -6.8 | 1.7 | 4.5 | 9.1 | 14.6 | 18.0 | 18.6 | 14.0 | 8.2 | 4.0 | 0.9 |
| Absolute minimum temperature (°C) | -7.8 | -13.0 | -4.0 | -5.0 | 2.7 | 11.9 | 14.9 | 15.0 | 9.6 | 6.1 | -2.2 | -5.3 |
| 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) | 7.5 | 8.7 | 9.0 | 10.8 | 11.4 | 13.5 | 13.3 | 12.1 | 11.4 | 9.7 | 8.2 | 7.2 |
| Precipitation (mm) | 19 | 33 | 57 | 39 | 43 | 10 | 0 | 4 | 0 | 4 | 28 | 40 |
| Sunny days | 24 | 16 | 13 | 15 | 15 | 22 | 30 | 29 | 27 | 24 | 18 | 19 |
| Rainy days | 1 | 2 | 18 | 14 | 16 | 8 | 1 | 2 | 3 | 7 | 12 | 11 |
| Snow days | 6 | 10 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Ḩeydarlū-ye Sīr during the most sunny months:
The largest precipitation sum in Ḩeydarlū-ye Sīr is at