Average annual temperature is 18.8 °C
Absolute maximum temperature: 36.9 °C
Absolute minimum temperature: -3.0 °C
Number of sunny days: 133 days
Number of rainy days: 231 days
Number of snow days: 1 day
Look at detailed online map of Heiyansi
* Weather data for Heiyansi 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) | 16.3 | 19.7 | 24.0 | 33.0 | 35.1 | 36.9 | 35.8 | 34.5 | 33.5 | 25.8 | 24.3 | 18.3 |
| Average daytime temperature (°C) | 11.3 | 15.0 | 19.1 | 24.7 | 27.8 | 29.0 | 32.0 | 31.1 | 29.0 | 22.2 | 19.0 | 13.4 |
| Average temperature (°C) | 7.2 | 11.5 | 15.0 | 19.8 | 23.2 | 24.7 | 27.3 | 26.9 | 24.8 | 19.1 | 15.6 | 9.8 |
| Average night temperature (°C) | 3.3 | 8.2 | 11.2 | 15.4 | 19.3 | 21.3 | 23.6 | 23.4 | 21.5 | 16.6 | 12.4 | 6.4 |
| Absolute minimum temperature (°C) | -3.0 | 5.7 | 5.2 | 10.3 | 15.4 | 17.6 | 20.0 | 20.4 | 18.9 | 11.9 | 8.3 | 1.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 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) | 5.7 | 4.2 | 5.5 | 7.7 | 7.4 | 6.3 | 8.4 | 8.5 | 7.2 | 4.7 | 5.2 | 4.6 |
| Precipitation (mm) | 8 | 30 | 65 | 98 | 135 | 63 | 252 | 258 | 114 | 105 | 46 | 8 |
| Sunny days | 22 | 12 | 6 | 10 | 9 | 8 | 11 | 5 | 9 | 4 | 12 | 25 |
| Rainy days | 8 | 16 | 25 | 20 | 22 | 22 | 20 | 26 | 21 | 27 | 18 | 6 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Heiyansi during the most sunny months:
The largest precipitation sum in Heiyansi is at