Average annual temperature is 9.7 °C
Absolute maximum temperature: 32.6 °C
Absolute minimum temperature: -19.7 °C
Number of sunny days: 240 days
Number of rainy days: 110 days
Number of snow days: 15 days
Look at detailed online map of Siyi
* Weather data for Siyi 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) | 12.8 | 10.9 | 20.3 | 26.0 | 28.3 | 28.5 | 32.6 | 29.5 | 25.1 | 21.8 | 21.3 | 16.1 |
| Average daytime temperature (°C) | 2.1 | 4.4 | 12.5 | 14.3 | 19.7 | 24.5 | 27.4 | 25.1 | 20.8 | 16.6 | 8.2 | 0.8 |
| Average temperature (°C) | -3.2 | -0.9 | 6.4 | 9.1 | 14.8 | 19.5 | 22.5 | 20.5 | 16.2 | 11.4 | 3.0 | -4.0 |
| Average night temperature (°C) | -8.1 | -4.8 | 0.9 | 4.5 | 10.4 | 14.7 | 18.0 | 16.4 | 12.4 | 6.9 | -1.4 | -8.6 |
| Absolute minimum temperature (°C) | -18.4 | -9.0 | -5.7 | -2.1 | 4.9 | 9.5 | 14.6 | 10.6 | 6.5 | 1.8 | -7.5 | -19.7 |
| 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 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.9 | 7.6 | 9.6 | 8.1 | 8.0 | 10.1 | 10.4 | 10.2 | 7.8 | 7.7 | 7.7 | 7.4 |
| Precipitation (mm) | 5 | 11 | 16 | 60 | 75 | 40 | 85 | 97 | 64 | 14 | 16 | 27 |
| Sunny days | 28 | 21 | 25 | 17 | 17 | 17 | 16 | 13 | 13 | 23 | 26 | 24 |
| Rainy days | 0 | 2 | 3 | 12 | 14 | 13 | 15 | 18 | 17 | 8 | 3 | 5 |
| Snow days | 3 | 5 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The largest precipitation sum in Siyi is at