Average annual temperature is 10.1 °C
Absolute maximum temperature: 39.0 °C
Absolute minimum temperature: -22.1 °C
Number of sunny days: 279 days
Number of rainy days: 68 days
Number of snow days: 18 days
Look at detailed online map of Haiwan
* Weather data for Haiwan 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) | 9.8 | 13.2 | 20.4 | 29.1 | 30.5 | 36.3 | 39.0 | 37.1 | 35.4 | 22.4 | 23.1 | 12.1 |
| Average daytime temperature (°C) | -0.3 | 5.4 | 14.0 | 16.0 | 22.9 | 30.7 | 32.5 | 30.9 | 26.0 | 17.4 | 7.6 | 1.9 |
| Average temperature (°C) | -7.5 | -1.7 | 5.9 | 9.2 | 16.5 | 23.5 | 25.6 | 24.2 | 19.0 | 10.4 | 0.7 | -5.0 |
| Average night temperature (°C) | -13.7 | -7.3 | -1.7 | 2.2 | 9.9 | 15.8 | 18.1 | 17.1 | 12.1 | 4.2 | -4.6 | -10.0 |
| Absolute minimum temperature (°C) | -22.1 | -12.5 | -6.0 | -5.3 | 4.3 | 11.0 | 12.5 | 11.4 | 7.4 | -1.5 | -9.5 | -17.0 |
| 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 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.6 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 8.6 | 8.0 | 9.6 | 8.0 | 7.3 | 9.4 | 9.9 | 9.5 | 9.1 | 8.2 | 8.4 | 7.8 |
| Precipitation (mm) | 1 | 8 | 3 | 14 | 15 | 5 | 20 | 15 | 30 | 26 | 2 | 2 |
| Sunny days | 26 | 20 | 27 | 16 | 20 | 26 | 27 | 24 | 17 | 21 | 27 | 28 |
| Rainy days | 1 | 2 | 3 | 12 | 11 | 4 | 4 | 7 | 13 | 10 | 1 | 0 |
| Snow days | 4 | 6 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 |
The largest precipitation sum in Haiwan is at