Average annual temperature is 14.8 °C
Absolute maximum temperature: 31.3 °C
Absolute minimum temperature: -1.1 °C
Number of sunny days: 125 days
Number of rainy days: 240 days
Look at detailed online map of Heilongtan
* Weather data for Heilongtan 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) | 22.3 | 22.4 | 23.7 | 28.3 | 31.3 | 31.2 | 28.9 | 25.8 | 25.8 | 24.1 | 21.3 | 17.9 |
| Average daytime temperature (°C) | 16.1 | 18.6 | 20.5 | 24.1 | 24.5 | 25.1 | 24.8 | 23.4 | 23.6 | 20.9 | 18.0 | 14.5 |
| Average temperature (°C) | 8.2 | 11.2 | 13.1 | 16.7 | 17.8 | 19.0 | 19.3 | 18.5 | 18.1 | 15.3 | 11.6 | 8.9 |
| Average night temperature (°C) | 1.4 | 4.4 | 6.5 | 9.5 | 11.4 | 14.6 | 15.6 | 15.7 | 14.0 | 11.0 | 6.4 | 4.3 |
| Absolute minimum temperature (°C) | -1.1 | 1.3 | 3.4 | 5.2 | 9.3 | 12.3 | 14.1 | 13.5 | 11.7 | 6.5 | 3.7 | -0.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 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) | 10.8 | 11.3 | 12.0 | 12.8 | 13.4 | 13.7 | 13.5 | 13.0 | 12.3 | 11.6 | 10.9 | 10.6 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 9.9 | 9.8 | 10.7 | 11.2 | 10.7 | 9.9 | 9.2 | 7.2 | 9.4 | 8.8 | 8.9 | 7.7 |
| Precipitation (mm) | 0 | 16 | 41 | 19 | 71 | 239 | 199 | 364 | 236 | 234 | 45 | 90 |
| Sunny days | 30 | 20 | 9 | 15 | 10 | 0 | 3 | 0 | 2 | 9 | 18 | 9 |
| Rainy days | 1 | 8 | 22 | 15 | 21 | 30 | 28 | 31 | 28 | 22 | 12 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Heilongtan is at