Average annual temperature is 9.6 °C
Absolute maximum temperature: 26.8 °C
Absolute minimum temperature: -17.3 °C
Number of sunny days: 96 days
Number of rainy days: 245 days
Number of snow days: 24 days
Look at detailed online map of Heilong
* Weather data for Heilong 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) | 14.1 | 17.1 | 18.0 | 24.3 | 24.1 | 24.3 | 26.8 | 24.4 | 22.9 | 18.1 | 18.0 | 18.8 |
| Average daytime temperature (°C) | 0.6 | 5.4 | 10.1 | 15.4 | 17.4 | 19.1 | 22.9 | 21.4 | 19.1 | 13.6 | 12.1 | 7.4 |
| Average temperature (°C) | -3.7 | 1.3 | 5.8 | 10.2 | 12.9 | 15.1 | 18.7 | 17.9 | 15.5 | 10.4 | 7.7 | 2.5 |
| Average night temperature (°C) | -8.3 | -1.9 | 2.0 | 6.0 | 9.5 | 12.2 | 15.2 | 15.3 | 13.0 | 7.7 | 4.2 | -1.0 |
| Absolute minimum temperature (°C) | -17.3 | -8.4 | -6.1 | -1.9 | 4.6 | 9.0 | 12.4 | 12.0 | 10.2 | 3.8 | -0.2 | -8.6 |
| 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 | 14.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.5 | 11.2 | 12.0 | 12.9 | 13.6 | 14.0 | 13.8 | 13.2 | 12.3 | 11.5 | 10.7 | 10.3 |
| 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) | 6.6 | 5.3 | 5.2 | 7.9 | 7.6 | 6.4 | 9.2 | 7.9 | 6.6 | 4.8 | 7.2 | 7.0 |
| Precipitation (mm) | 30 | 25 | 76 | 74 | 92 | 72 | 181 | 328 | 195 | 93 | 56 | 16 |
| Sunny days | 14 | 11 | 8 | 5 | 6 | 3 | 6 | 3 | 2 | 4 | 15 | 19 |
| Rainy days | 4 | 8 | 22 | 25 | 25 | 27 | 25 | 28 | 28 | 27 | 15 | 11 |
| Snow days | 13 | 9 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Heilong during the most sunny months:
The largest precipitation sum in Heilong is at