Because air temperature falls roughly by 9.8 degrees Celsius per 1,000 meters you go up in elevation (above sea level). This means that the highest point of a mountain will be the coldest.
No, it isn't. Vinson Massif in Antarctica is the coldest mountain in the world with a record temperature of −128.6 °F.
the top
On the mountain top is a preposition phrase, not a part of speech.
the coldest part is the coldest part of Jupiter
Top part of Maine.
The heat rises to the top. The lower part is always the coldest.
kidsgrove
Other things being equal, temperature decreases with height.
top
Yes. It is the top of a mountain, or volcano.
The coolest part of a mountain is the top. As you climb higher, the air becomes less dense and the winds become stronger.
noun the meaning is the top of a mountain or hill