Average annual temperature is 11.6 °C
Absolute maximum temperature: 36.1 °C
Absolute minimum temperature: -12.8 °C
Number of sunny days: 224 days
Number of rainy days: 119 days
Number of snow days: 22 days
Look at detailed online map of Sīvān
* Weather data for Sīvān 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) | 5.3 | 11.3 | 16.6 | 22.1 | 26.7 | 31.4 | 35.5 | 36.1 | 32.3 | 21.9 | 17.9 | 11.2 |
| Average daytime temperature (°C) | 1.7 | 2.6 | 12.3 | 16.3 | 21.2 | 27.6 | 31.0 | 31.7 | 25.8 | 18.3 | 12.1 | 7.4 |
| Average temperature (°C) | -2.3 | -1.9 | 7.5 | 10.8 | 15.3 | 20.7 | 23.3 | 24.0 | 18.6 | 12.4 | 7.4 | 3.0 |
| Average night temperature (°C) | -5.5 | -6.4 | 2.7 | 5.1 | 9.1 | 14.0 | 16.1 | 16.4 | 12.0 | 7.0 | 2.9 | -0.6 |
| Absolute minimum temperature (°C) | -10.9 | -12.8 | -3.1 | -4.5 | 1.7 | 12.0 | 13.3 | 12.6 | 7.3 | 4.0 | -5.6 | -6.8 |
| 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 | 14.5 | 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) | 7.8 | 8.4 | 8.7 | 10.5 | 11.5 | 13.5 | 13.3 | 12.0 | 11.3 | 9.6 | 7.8 | 7.2 |
| Precipitation (mm) | 27 | 14 | 88 | 57 | 33 | 18 | 0 | 4 | 1 | 24 | 43 | 35 |
| Sunny days | 23 | 16 | 9 | 14 | 10 | 15 | 28 | 27 | 24 | 20 | 21 | 17 |
| Rainy days | 0 | 2 | 22 | 15 | 21 | 15 | 3 | 4 | 6 | 11 | 9 | 11 |
| Snow days | 8 | 10 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
The best time to visit Sīvān during the most sunny months:
The largest precipitation sum in Sīvān is at