Average annual temperature is 10.3 °C
Absolute maximum temperature: 32.8 °C
Absolute minimum temperature: -22.1 °C
Number of sunny days: 230 days
Number of rainy days: 119 days
Number of snow days: 16 days
Look at detailed online map of Siyangtan
* Weather data for Siyangtan China is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 9.3 | 10.8 | 19.8 | 24.5 | 27.6 | 30.5 | 32.8 | 31.4 | 27.1 | 20.5 | 20.6 | 14.9 |
| Average daytime temperature (°C) | 1.1 | 4.7 | 13.0 | 14.6 | 20.2 | 25.8 | 28.3 | 26.3 | 22.2 | 16.6 | 7.7 | -0.3 |
| Average temperature (°C) | -3.7 | -0.1 | 7.6 | 9.5 | 15.6 | 20.7 | 23.3 | 21.8 | 17.4 | 12.0 | 2.9 | -4.7 |
| Average night temperature (°C) | -8.8 | -3.9 | 2.3 | 4.9 | 11.6 | 15.9 | 19.0 | 17.9 | 13.7 | 8.2 | -1.1 | -9.0 |
| Absolute minimum temperature (°C) | -21.8 | -8.9 | -5.2 | -1.3 | 3.9 | 10.8 | 14.7 | 12.0 | 8.9 | 4.9 | -8.8 | -22.1 |
| 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 | 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 | 14.4 | 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) | 8.1 | 7.5 | 9.2 | 7.8 | 7.5 | 10.2 | 10.5 | 9.6 | 8.2 | 8.2 | 7.8 | 7.5 |
| Precipitation (mm) | 9 | 14 | 10 | 119 | 77 | 29 | 62 | 136 | 69 | 16 | 18 | 24 |
| Sunny days | 28 | 19 | 23 | 15 | 13 | 17 | 18 | 11 | 12 | 25 | 24 | 25 |
| Rainy days | 0 | 2 | 7 | 15 | 18 | 13 | 13 | 20 | 18 | 6 | 2 | 5 |
| Snow days | 3 | 7 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 1 |
The largest precipitation sum in Siyangtan is at