Average annual temperature is 8.6 °C
Absolute maximum temperature: 29.5 °C
Absolute minimum temperature: -18.4 °C
Number of sunny days: 180 days
Number of rainy days: 154 days
Number of snow days: 31 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) | 9.4 | 7.3 | 15.8 | 24.1 | 23.7 | 27.9 | 29.5 | 27.2 | 25.9 | 18.1 | 15.3 | 11.2 |
| Average daytime temperature (°C) | 0.8 | 3.4 | 10.4 | 13.5 | 17.1 | 22.4 | 25.4 | 24.1 | 20.0 | 13.6 | 8.1 | 3.5 |
| Average temperature (°C) | -4.0 | -0.8 | 4.7 | 8.1 | 12.4 | 17.3 | 20.1 | 19.0 | 15.5 | 9.1 | 3.0 | -1.6 |
| Average night temperature (°C) | -8.8 | -5.2 | -0.2 | 3.3 | 8.3 | 12.7 | 15.4 | 14.7 | 11.9 | 5.3 | -1.5 | -5.8 |
| Absolute minimum temperature (°C) | -18.4 | -12.8 | -7.8 | -4.8 | 0.2 | 7.4 | 10.2 | 7.1 | 5.9 | -0.1 | -6.4 | -13.2 |
| 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) | 6.6 | 4.7 | 7.8 | 7.9 | 6.3 | 9.0 | 9.6 | 9.9 | 7.0 | 6.8 | 7.1 | 7.2 |
| Precipitation (mm) | 10 | 26 | 26 | 70 | 56 | 52 | 121 | 95 | 90 | 54 | 3 | 5 |
| Sunny days | 21 | 11 | 18 | 17 | 12 | 11 | 10 | 11 | 7 | 16 | 22 | 24 |
| Rainy days | 0 | 7 | 11 | 9 | 19 | 19 | 21 | 20 | 23 | 15 | 5 | 5 |
| Snow days | 10 | 10 | 2 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 2 |
The best time to visit Haiwan during the most sunny months:
The largest precipitation sum in Haiwan is at