Average annual temperature is 11.1 °C
Absolute maximum temperature: 31.4 °C
Absolute minimum temperature: -11.6 °C
Number of sunny days: 195 days
Number of rainy days: 153 days
Number of snow days: 17 days
Look at detailed online map of Sīrān
* Weather data for Sīrān 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) | 12.6 | 15.0 | 20.1 | 22.7 | 25.2 | 26.4 | 29.5 | 31.4 | 30.2 | 23.6 | 20.8 | 18.9 |
| Average daytime temperature (°C) | 2.8 | 5.2 | 12.9 | 15.8 | 17.3 | 22.5 | 25.3 | 27.2 | 18.7 | 16.7 | 15.3 | 10.2 |
| Average temperature (°C) | -1.6 | 0.3 | 7.6 | 10.6 | 13.2 | 17.7 | 20.4 | 22.0 | 14.8 | 11.9 | 9.9 | 5.0 |
| Average night temperature (°C) | -5.0 | -3.7 | 2.8 | 5.7 | 9.1 | 12.8 | 15.8 | 16.7 | 11.2 | 7.9 | 5.0 | 0.8 |
| Absolute minimum temperature (°C) | -11.6 | -9.0 | -4.6 | -2.2 | 2.4 | 9.5 | 12.2 | 12.1 | 6.6 | 4.8 | -2.9 | -4.9 |
| 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 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.9 | 14.6 | 13.7 | 12.4 | 11.2 | 10.1 | 9.5 |
| 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) | 6.7 | 7.8 | 8.4 | 10.1 | 10.0 | 12.2 | 11.8 | 10.9 | 7.7 | 8.7 | 8.1 | 7.0 |
| Precipitation (mm) | 12 | 25 | 93 | 52 | 165 | 36 | 33 | 34 | 68 | 83 | 6 | 36 |
| Sunny days | 22 | 16 | 13 | 8 | 1 | 10 | 21 | 25 | 13 | 19 | 25 | 22 |
| Rainy days | 3 | 3 | 18 | 21 | 30 | 20 | 10 | 6 | 17 | 12 | 5 | 8 |
| Snow days | 6 | 9 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Sīrān during the most sunny months:
The largest precipitation sum in Sīrān is at