Average annual temperature is 9.9 °C
Absolute maximum temperature: 32.3 °C
Absolute minimum temperature: -15.8 °C
Number of sunny days: 239 days
Number of rainy days: 109 days
Number of snow days: 17 days
Look at detailed online map of Sīleh Chāy
* Weather data for Sīleh Chāy 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) | 8.7 | 13.6 | 18.4 | 23.7 | 27.0 | 29.2 | 32.3 | 31.0 | 32.3 | 21.3 | 18.9 | 13.8 |
| Average daytime temperature (°C) | -0.6 | 2.0 | 12.7 | 17.0 | 19.4 | 23.1 | 24.9 | 26.5 | 20.5 | 17.0 | 13.0 | 8.1 |
| Average temperature (°C) | -4.1 | -3.1 | 6.7 | 10.4 | 13.3 | 17.4 | 19.4 | 20.3 | 14.6 | 11.3 | 7.8 | 3.4 |
| Average night temperature (°C) | -7.7 | -8.4 | 1.6 | 4.4 | 7.7 | 11.9 | 14.1 | 14.4 | 10.0 | 6.3 | 3.3 | -0.8 |
| Absolute minimum temperature (°C) | -13.5 | -15.8 | -3.5 | -4.0 | 0.6 | 9.0 | 11.4 | 10.1 | 6.0 | 3.9 | -2.7 | -6.1 |
| 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 | 10.8 | 12.0 | 13.2 | 14.3 | 14.8 | 14.6 | 13.6 | 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) | 6.5 | 8.2 | 8.8 | 10.9 | 10.8 | 12.8 | 12.1 | 11.6 | 9.5 | 9.3 | 8.0 | 7.5 |
| Precipitation (mm) | 22 | 8 | 41 | 27 | 70 | 14 | 8 | 16 | 10 | 25 | 8 | 19 |
| Sunny days | 24 | 21 | 17 | 15 | 9 | 15 | 22 | 25 | 23 | 21 | 22 | 25 |
| Rainy days | 0 | 0 | 13 | 14 | 22 | 15 | 9 | 6 | 7 | 10 | 8 | 5 |
| Snow days | 7 | 7 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Sīleh Chāy during the most sunny months:
The largest precipitation sum in Sīleh Chāy is at