Average annual temperature is 18.5 °C
Absolute maximum temperature: 35.8 °C
Absolute minimum temperature: -6.4 °C
Number of sunny days: 139 days
Number of rainy days: 225 days
Number of snow days: 1 day
Look at detailed online map of Siwu
* Weather data for Siwu 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) | 22.8 | 22.0 | 26.0 | 31.8 | 33.7 | 32.5 | 35.8 | 34.7 | 32.3 | 26.4 | 29.7 | 23.7 |
| Average daytime temperature (°C) | 12.4 | 13.0 | 18.7 | 22.2 | 26.4 | 29.3 | 32.6 | 30.9 | 29.4 | 23.3 | 19.0 | 13.0 |
| Average temperature (°C) | 7.9 | 9.1 | 14.2 | 18.2 | 22.4 | 25.9 | 28.9 | 27.1 | 25.8 | 19.5 | 14.1 | 8.3 |
| Average night temperature (°C) | 3.2 | 5.5 | 10.2 | 14.4 | 18.9 | 23.0 | 26.0 | 24.1 | 22.9 | 16.2 | 10.0 | 4.4 |
| Absolute minimum temperature (°C) | -5.3 | 0.4 | 5.4 | 6.7 | 12.7 | 19.4 | 24.0 | 19.5 | 20.6 | 10.3 | 3.4 | -6.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 14.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.5 | 11.2 | 12.0 | 12.9 | 13.6 | 14.0 | 13.8 | 13.2 | 12.3 | 11.5 | 10.7 | 10.3 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 6.3 | 5.0 | 5.8 | 6.9 | 7.6 | 6.7 | 9.4 | 9.4 | 8.2 | 6.3 | 7.9 | 6.7 |
| Precipitation (mm) | 56 | 119 | 138 | 195 | 158 | 356 | 177 | 260 | 176 | 55 | 63 | 46 |
| Sunny days | 20 | 10 | 13 | 10 | 9 | 2 | 7 | 3 | 7 | 19 | 22 | 17 |
| Rainy days | 11 | 18 | 18 | 20 | 22 | 28 | 24 | 28 | 23 | 12 | 8 | 13 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Siwu during the most sunny months:
The largest precipitation sum in Siwu is at