Average annual temperature is 11.5 °C
Absolute maximum temperature: 34.6 °C
Absolute minimum temperature: -11.6 °C
Number of sunny days: 215 days
Number of rainy days: 142 days
Number of snow days: 8 days
Look at detailed online map of Siyu
* Weather data for Siyu 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) | 11.8 | 11.4 | 22.6 | 27.2 | 30.3 | 32.4 | 34.6 | 30.8 | 27.5 | 21.7 | 21.5 | 15.7 |
| Average daytime temperature (°C) | 4.2 | 6.9 | 15.2 | 17.7 | 21.6 | 27.2 | 30.2 | 27.1 | 22.7 | 17.4 | 11.2 | 5.4 |
| Average temperature (°C) | -1.9 | 1.6 | 8.5 | 11.5 | 16.2 | 21.3 | 24.3 | 22.2 | 18.3 | 11.8 | 4.7 | -0.8 |
| Average night temperature (°C) | -6.5 | -3.1 | 1.6 | 5.8 | 11.3 | 15.7 | 18.9 | 17.9 | 14.4 | 6.9 | -1.0 | -5.9 |
| Absolute minimum temperature (°C) | -11.6 | -6.9 | -5.1 | -2.0 | 3.6 | 11.1 | 11.7 | 12.4 | 9.3 | 2.3 | -6.7 | -10.6 |
| 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) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 7.5 | 6.7 | 8.4 | 7.8 | 6.4 | 9.3 | 9.2 | 9.5 | 7.2 | 6.8 | 7.5 | 7.6 |
| Precipitation (mm) | 3 | 19 | 26 | 89 | 65 | 81 | 124 | 120 | 91 | 63 | 7 | 16 |
| Sunny days | 28 | 16 | 21 | 18 | 9 | 16 | 19 | 11 | 11 | 20 | 22 | 24 |
| Rainy days | 0 | 9 | 10 | 12 | 22 | 14 | 12 | 20 | 19 | 11 | 8 | 5 |
| Snow days | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The largest precipitation sum in Siyu is at