The question is kind of backward.
The reason it's a desert is because it doesn't rain much there.
The reason it doesn't rain much in some places (which we call deserts) has to do with wind patterns and geographical features and is fairly complicated.
Within the arctic circle it is generally too cold for rain: any precipitation wthat falls will be frozen. Most of it will be snow.
South
Denmark
Amazon rain forest
A desert.
It is south of the Arctic circle.
The Arctic Circle passes through the Arctic Ocean.
The Arctic Circle is at 66 degrees 32 minutes N latitude. Everything north of the Arctic circle is considered to be the Arctic.
A polar circle is either the Arctic Circle or the Antarctic Circle.
the Himalayas are south of the Arctic Circle
The Arctic Circle
The arctic circle
No, the Arctic Circle is an imaginary line.