Average annual temperature is 16.6 °C
Absolute maximum temperature: 34.9 °C
Absolute minimum temperature: -8.5 °C
Number of sunny days: 192 days
Number of rainy days: 173 days
Look at detailed online map of Siwanhu
* Weather data for Siwanhu 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) | 20.3 | 16.7 | 27.4 | 33.5 | 33.0 | 34.0 | 34.9 | 34.9 | 32.3 | 26.9 | 28.1 | 22.1 |
| Average daytime temperature (°C) | 9.8 | 9.9 | 17.7 | 22.3 | 26.2 | 29.1 | 31.5 | 30.9 | 27.5 | 23.5 | 17.1 | 9.4 |
| Average temperature (°C) | 4.1 | 5.5 | 12.1 | 16.7 | 21.2 | 24.8 | 28.0 | 27.1 | 24.1 | 18.4 | 11.7 | 4.5 |
| Average night temperature (°C) | -0.9 | 1.4 | 7.1 | 11.8 | 16.9 | 21.0 | 25.4 | 23.7 | 21.1 | 14.4 | 7.1 | 0.3 |
| Absolute minimum temperature (°C) | -8.5 | -3.1 | 2.0 | 4.3 | 7.9 | 16.9 | 23.0 | 17.7 | 17.6 | 8.4 | -0.9 | -7.8 |
| 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 | 10.0 |
| Daylight mean duration (h) | 10.3 | 11.0 | 12.0 | 13.0 | 13.8 | 14.2 | 14.0 | 13.3 | 12.4 | 11.4 | 10.5 | 10.1 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 7.1 | 5.1 | 6.8 | 8.2 | 6.8 | 7.0 | 7.0 | 9.7 | 6.4 | 8.1 | 7.3 | 6.3 |
| Precipitation (mm) | 24 | 61 | 54 | 89 | 157 | 236 | 261 | 139 | 112 | 23 | 27 | 52 |
| Sunny days | 25 | 15 | 20 | 16 | 13 | 11 | 4 | 10 | 11 | 25 | 21 | 21 |
| Rainy days | 6 | 13 | 11 | 14 | 18 | 19 | 27 | 21 | 19 | 6 | 9 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Siwanhu during the most sunny months:
The largest precipitation sum in Siwanhu is at