Fairbanks is the largest city in the Interior region of Alaska, and second largest in the state behind Anchorage. Fairbanks' climate is subarctic. The Interior, home of Fairbanks and Denali National Park, has some of the most extreme and variable weather in the world with rapid temperature swings, thunderstorms with hail and lightning and snow in the summer. Winters are very long, lasting from late September to mid-April. What season it is and weather will impact what activites are doable. Anchorage is a unique destination located in one of the world's most spectacular settings – Alaska. Embraced by six mountain ranges and warmed by a maritime climate, Anchorage is alive year round with adventure, recreation, seasonal festivities, sporting events and more.