Average annual temperature is 1.9 °C
Absolute maximum temperature: 25.1 °C
Absolute minimum temperature: -21.8 °C
Number of sunny days: 180 days
Number of rainy days: 134 days
Number of snow days: 51 days
Look at detailed online map of Haiyan County
* Weather data for Haiyan County 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) | 6.5 | 4.4 | 10.1 | 19.6 | 17.5 | 19.6 | 23.9 | 25.1 | 20.8 | 14.4 | 8.3 | 3.9 |
| Average daytime temperature (°C) | -3.5 | 0.0 | 4.2 | 8.6 | 11.1 | 15.7 | 18.6 | 18.2 | 14.9 | 7.1 | 3.7 | -1.3 |
| Average temperature (°C) | -10.2 | -6.4 | -2.1 | 1.7 | 5.1 | 9.6 | 12.6 | 12.1 | 8.6 | 1.4 | -2.1 | -7.6 |
| Average night temperature (°C) | -16.2 | -12.4 | -7.9 | -4.1 | -0.1 | 4.1 | 7.1 | 6.6 | 3.5 | -3.1 | -6.9 | -13.1 |
| Absolute minimum temperature (°C) | -20.1 | -18.2 | -15.0 | -9.6 | -4.6 | 1.8 | 1.7 | 0.5 | -1.2 | -7.6 | -10.5 | -21.8 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.1 | 14.1 | 14.7 | 14.4 | 13.5 | 12.4 | 11.2 | 10.2 | 9.7 |
| 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) | 8.7 | 8.3 | 10.1 | 10.4 | 8.9 | 10.6 | 11.1 | 9.9 | 9.4 | 8.5 | 9.0 | 8.4 |
| Precipitation (mm) | 0 | 15 | 9 | 21 | 72 | 79 | 94 | 80 | 97 | 49 | 1 | 8 |
| Sunny days | 29 | 14 | 20 | 20 | 9 | 3 | 7 | 8 | 3 | 13 | 29 | 25 |
| Rainy days | 0 | 1 | 3 | 3 | 16 | 27 | 24 | 23 | 27 | 10 | 0 | 0 |
| Snow days | 2 | 13 | 8 | 7 | 6 | 0 | 0 | 0 | 0 | 8 | 1 | 6 |
The largest precipitation sum in Haiyan County is at