Average annual temperature is 15.6 °C
Absolute maximum temperature: 34.8 °C
Absolute minimum temperature: -8.7 °C
Number of sunny days: 224 days
Number of rainy days: 140 days
Number of snow days: 1 day
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) | 17.8 | 15.7 | 26.6 | 29.3 | 33.2 | 34.8 | 33.7 | 34.0 | 30.3 | 26.3 | 28.1 | 22.2 |
| Average daytime temperature (°C) | 8.3 | 8.6 | 16.9 | 20.6 | 25.5 | 29.3 | 30.8 | 30.5 | 27.1 | 23.1 | 15.9 | 8.2 |
| Average temperature (°C) | 2.5 | 3.9 | 10.6 | 15.0 | 20.2 | 24.3 | 27.5 | 26.8 | 23.4 | 17.8 | 10.8 | 3.5 |
| Average night temperature (°C) | -2.2 | -0.2 | 5.2 | 10.6 | 15.9 | 20.2 | 25.1 | 23.5 | 20.5 | 13.6 | 6.4 | -0.5 |
| Absolute minimum temperature (°C) | -8.7 | -4.6 | 0.3 | 3.6 | 6.5 | 13.8 | 22.7 | 18.0 | 15.6 | 7.5 | -2.3 | -8.5 |
| 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) | 10.2 | 11.0 | 12.0 | 13.0 | 13.9 | 14.4 | 14.1 | 13.4 | 12.4 | 11.3 | 10.4 | 10.0 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 7.5 | 6.5 | 8.1 | 8.6 | 7.7 | 7.8 | 6.7 | 10.1 | 6.4 | 8.3 | 7.1 | 6.0 |
| Precipitation (mm) | 28 | 53 | 38 | 74 | 143 | 122 | 224 | 150 | 179 | 24 | 20 | 70 |
| Sunny days | 25 | 16 | 24 | 23 | 19 | 18 | 4 | 14 | 13 | 22 | 23 | 23 |
| Rainy days | 6 | 12 | 7 | 7 | 12 | 12 | 27 | 17 | 17 | 9 | 7 | 7 |
| Snow days | 0 | 0 | 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