Lyonel Perabo, Has worked as a Northern Lights guide for 6 years Answered Jun 19, 2017 ยท Author has 3.7k answers and 11.9m answer views Because of the shape of the magnetic sphere. read more
The northern lights are always present, but winter is usually the best time to see them, due to lower levels of light pollution and the clear, crisp air. September, October, March and April are some of the best months to view the aurora borealis. read more