Spring (late March to May): Average temperature is 10 degree Celsius and it is mostly rainy, misty and cloudy. Carry warm wear if travelling to Huangshan in this season.
Summer (June to September): The summer season is also the rainy season; July and August being the wettest months. This is a peak tourist season and also a great time to enjoy the clouds. Although, avoid going in this month if you hate crowds.
Autumn (October and November): Most favorable and stunningly beautiful season to visit Huangshan. Its can get chilly in the evening, so pack sweaters and coats. The first week of October is also a high season being the national holiday week.
Winter (December to Early March): It is snowy in this season. The peaks are showered with beautiful snow and it gets extremely chilly so make sure you pack night clothing. It is less crowded.
The best time to visit Huangshan is April to October.