The weather of Yellow Mountain (Mt.Huangshan) is uncertain and variable

Within a day, it can be sunny, can be cloudy and foggy. When you are enjoying the sunshine, clear peaks and trees against blue sky dotted with white clouds, after a while white fog rolled in, everything is gone except for nearby bleary pines. When you are disappointed or dismayed at this bad foggy weather, but all of sudden, a gust of wind or a ray of sunlight comes, the thick opaque fog is driven awany quickly by wind or burned off swiftly by sun, a fantastic spectacle lay before you. It's so quick and sudden that you would stand in amaze at the sight before you remember holding your camera on the great view and keeping pressing it.

So when you're going to ascend Mt.Huangshan, you've got take umbrealla or raincoat with you even it's a sunny day according to the weather forecast. Weather forecast is not always correct due to the complicated terrain of the mountain. Fog often comes with rain, fog is a severe obstacle to sightseeing, but fog has the other side of the coin, when the fog is gone, especially falls down, it probably ends up with the most breathtaking view: sea of clouds.That's the view some photographers wait for weeks on the mountaintop.

Because of inconstancy of the weather, we'd like to give you two suggestions:
Take a umbrella or raincoat with you up to the mountain even the it'll be a sunny day according to the weather forecast, for weather report is not always right, due to complicated terrain of the mountain.
Grasp opportunity for great view when the weather is good. You know the uncertainty of the weather, so have the best of fine weather before it goes bad.

Climate                                                                                         The temperature changes vertically in Yellow Mountain (Mt.Huangshan), the climate of the mountain is varied on different elevation. It generally has 3 climate types from the base to top: subtropical mountain base, temperate mountainside and frigid mountaintop.

According to the data from 1956 to 1980.
The annual average temperature of the whole mountain is 7.8 ¡ãC. Average is 17.7 ¡ãC in the hottest July, -3.1¡ãC in the coldest January.
The record high at the mountain top is 27.1 ¡ãC, record low is -22 ¡ãC. ( Bright Summit )
The record high at the mountain base is 34.2 ¡ãC, record low is -13.6 ¡ãC. ( Hotspring Area )
There are 108 frost days (equal or below 0 ¡ãC) a year, 21 severe frost days (equal or below -10 ¡ãC) a year.

Yellow Mountain (Mt.Huangshan) is situated in South China, near the ocean, frequented by the warm air mass full of vapor from the Pacific, so it has many raining and cloudy days and less sunshine. The sun shines on an average of 151 days a year.

On the mountain top humidity is about 90% as a monthly average in July and August, around 60% in December and January.

Yellow Mountain (Mt.Huangshan) is the heaviest rainfall area in Anhui province, rain falls on an average of 183 days a year. Annual precipitation of 2395 mm with the highest of 3327 mm and the lowest of 1544 mm, concentrated on May, June, July, August and September.

Yellow Mountain (Mt.Huangshan) has little rain and more sunshine in winter and the average annual snow precipitation lasts 49 days, so there are more chance to enjoy the snow-capped peaks and frosted trees againt blue sky, and more chance for sea of cloud and sunrise in winter.