Average annual temperature is 12.5 °C
Absolute maximum temperature: 29.4 °C
Absolute minimum temperature: -11.8 °C
Number of sunny days: 91 days
Number of rainy days: 263 days
Number of snow days: 11 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) | 12.8 | 12.9 | 17.4 | 27.6 | 26.8 | 29.0 | 29.4 | 27.4 | 26.0 | 20.2 | 19.4 | 19.0 |
| Average daytime temperature (°C) | 4.5 | 8.0 | 12.4 | 18.1 | 20.0 | 21.9 | 26.2 | 24.1 | 21.9 | 16.1 | 13.6 | 8.0 |
| Average temperature (°C) | -0.1 | 4.5 | 9.0 | 13.7 | 16.4 | 18.3 | 21.6 | 20.4 | 18.4 | 13.3 | 10.1 | 4.0 |
| Average night temperature (°C) | -4.1 | 1.6 | 5.8 | 9.3 | 13.1 | 15.3 | 17.7 | 17.1 | 15.4 | 10.9 | 7.1 | 0.8 |
| Absolute minimum temperature (°C) | -11.8 | -2.3 | 0.8 | 3.6 | 9.5 | 11.5 | 14.2 | 13.0 | 12.7 | 6.6 | 2.2 | -10.1 |
| 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 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.6 | 11.2 | 12.0 | 12.8 | 13.6 | 13.9 | 13.7 | 13.1 | 12.3 | 11.5 | 10.8 | 10.4 |
| 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) | 5.4 | 3.6 | 3.7 | 8.2 | 6.6 | 5.7 | 8.9 | 8.2 | 6.7 | 3.9 | 5.2 | 4.5 |
| Precipitation (mm) | 8 | 20 | 89 | 83 | 126 | 91 | 193 | 256 | 83 | 75 | 45 | 6 |
| Sunny days | 19 | 6 | 2 | 13 | 8 | 2 | 9 | 3 | 5 | 2 | 7 | 15 |
| Rainy days | 3 | 21 | 29 | 17 | 23 | 28 | 22 | 28 | 25 | 29 | 23 | 15 |
| Snow days | 9 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Haiwan during the most sunny months:
The largest precipitation sum in Haiwan is at