Average annual temperature is 9.2 °C
Absolute maximum temperature: 34.5 °C
Absolute minimum temperature: -25.6 °C
Number of sunny days: 235 days
Number of rainy days: 110 days
Number of snow days: 20 days
Look at detailed online map of He’erhai
* Weather data for He’erhai 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) | 5.5 | 10.7 | 21.8 | 24.2 | 31.5 | 34.5 | 33.3 | 32.2 | 29.8 | 24.4 | 22.4 | 11.7 |
| Average daytime temperature (°C) | -4.3 | 1.7 | 10.7 | 16.2 | 24.1 | 28.7 | 28.9 | 27.6 | 24.8 | 17.7 | 2.1 | -5.6 |
| Average temperature (°C) | -8.7 | -3.6 | 4.0 | 9.9 | 17.8 | 22.9 | 24.8 | 23.4 | 19.2 | 12.1 | -2.3 | -9.9 |
| Average night temperature (°C) | -13.4 | -8.0 | -1.6 | 4.1 | 11.9 | 17.5 | 21.3 | 19.7 | 14.4 | 7.3 | -6.2 | -14.2 |
| Absolute minimum temperature (°C) | -22.5 | -13.0 | -7.2 | -2.3 | 6.5 | 12.9 | 17.7 | 14.3 | 8.9 | 1.0 | -12.7 | -25.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.9 | 12.5 | 11.1 | 9.8 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.8 | 8.5 | 9.8 | 8.9 | 10.7 | 11.2 | 9.0 | 9.6 | 9.4 | 8.6 | 6.8 | 6.7 |
| Precipitation (mm) | 6 | 2 | 5 | 50 | 51 | 86 | 230 | 114 | 76 | 20 | 77 | 12 |
| Sunny days | 26 | 24 | 27 | 21 | 18 | 17 | 8 | 11 | 19 | 24 | 16 | 24 |
| Rainy days | 1 | 0 | 4 | 9 | 13 | 13 | 23 | 20 | 11 | 7 | 9 | 0 |
| Snow days | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 7 |
The best time to visit He’erhai during the most sunny months:
The largest precipitation sum in He’erhai is at