Average annual temperature is 9.8 °C
Absolute maximum temperature: 34.5 °C
Absolute minimum temperature: -21.9 °C
Number of sunny days: 220 days
Number of rainy days: 113 days
Number of snow days: 32 days
Look at detailed online map of Haishiwan
* Weather data for Haishiwan 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) | 11.3 | 12.7 | 19.5 | 27.8 | 30.0 | 32.0 | 34.5 | 33.1 | 29.7 | 20.5 | 20.4 | 12.0 |
| Average daytime temperature (°C) | 1.2 | 4.9 | 13.5 | 17.0 | 21.8 | 27.1 | 29.3 | 28.0 | 23.5 | 16.1 | 9.0 | 4.0 |
| Average temperature (°C) | -5.6 | -1.2 | 6.7 | 9.9 | 15.5 | 20.3 | 22.7 | 21.7 | 17.5 | 10.2 | 2.1 | -2.7 |
| Average night temperature (°C) | -11.7 | -6.9 | -0.4 | 2.7 | 9.0 | 14.0 | 16.3 | 15.5 | 12.2 | 5.0 | -3.7 | -8.0 |
| Absolute minimum temperature (°C) | -21.9 | -12.7 | -5.6 | -6.1 | 4.1 | 8.8 | 11.1 | 11.6 | 7.8 | 1.3 | -9.3 | -15.9 |
| 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) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.3 | 9.7 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 8.3 | 7.7 | 9.5 | 8.9 | 7.7 | 9.4 | 10.4 | 9.8 | 9.2 | 7.8 | 8.5 | 8.2 |
| Precipitation (mm) | 1 | 15 | 5 | 19 | 33 | 37 | 47 | 48 | 44 | 86 | 5 | 2 |
| Sunny days | 25 | 17 | 24 | 17 | 13 | 17 | 17 | 15 | 10 | 14 | 25 | 26 |
| Rainy days | 0 | 0 | 4 | 10 | 18 | 13 | 14 | 16 | 20 | 17 | 1 | 0 |
| Snow days | 6 | 11 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 5 |
The largest precipitation sum in Haishiwan is at