Average annual temperature is 15.3 °C
Absolute maximum temperature: 39.7 °C
Absolute minimum temperature: -11.1 °C
Number of sunny days: 258 days
Number of rainy days: 95 days
Number of snow days: 12 days
Look at detailed online map of Sīser
* Weather data for Sīser 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) | 11.8 | 15.1 | 19.4 | 24.7 | 28.8 | 34.7 | 39.4 | 39.7 | 37.7 | 26.6 | 23.3 | 16.7 |
| Average daytime temperature (°C) | 7.6 | 6.8 | 15.2 | 18.9 | 24.0 | 30.9 | 36.2 | 37.1 | 32.3 | 23.6 | 16.8 | 12.7 |
| Average temperature (°C) | 2.0 | 1.7 | 9.5 | 12.8 | 17.7 | 23.6 | 28.6 | 29.1 | 24.1 | 16.5 | 10.7 | 6.7 |
| Average night temperature (°C) | -1.8 | -2.4 | 4.5 | 6.4 | 10.9 | 15.0 | 20.5 | 20.7 | 16.2 | 10.3 | 5.6 | 2.0 |
| Absolute minimum temperature (°C) | -5.9 | -11.1 | -1.6 | -1.8 | 4.0 | 11.3 | 17.2 | 17.2 | 13.3 | 7.9 | -1.0 | -1.8 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.7 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.9 | 7.8 | 8.2 | 10.4 | 11.6 | 13.5 | 13.2 | 12.1 | 11.5 | 9.5 | 7.4 | 6.6 |
| Precipitation (mm) | 72 | 69 | 133 | 108 | 28 | 1 | 0 | 0 | 0 | 17 | 95 | 124 |
| Sunny days | 17 | 16 | 12 | 17 | 18 | 28 | 31 | 30 | 30 | 22 | 15 | 22 |
| Rainy days | 9 | 6 | 19 | 12 | 13 | 2 | 0 | 1 | 0 | 9 | 15 | 9 |
| Snow days | 5 | 6 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Sīser during the most sunny months:
The largest precipitation sum in Sīser is at