Heishan Climate: Weather by Month and Best Time to Visit
Best months for Heishan: September, May.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | -3°C | -15°C | 3 mm | 1 | – | – | 5.0 |
| February | 1°C | -10°C | 5 mm | 1 | – | – | 4.9 |
| March | 8°C | -3°C | 15 mm | 3 | – | – | 6.1 |
| April | 17°C | 5°C | 32 mm | 5 | – | – | 7.6 |
| May | 24°C | 12°C | 51 mm | 7 | – | – | 8.2 |
| June | 28°C | 18°C | 95 mm | 10 | – | – | 7.7 |
| July | 30°C | 21°C | 152 mm | 12 | – | – | 7.1 |
| August | 29°C | 20°C | 148 mm | 11 | – | – | 7.3 |
| September | 25°C | 13°C | 48 mm | 6 | – | – | 8.3 |
| October | 17°C | 5°C | 36 mm | 5 | – | – | 7.6 |
| November | 6°C | -4°C | 18 mm | 3 | – | – | 5.6 |
| December | -2°C | -12°C | 5 mm | 1 | – | – | 4.9 |