The best time to visit Alaska is during the summer, specifically late June through mid-August, offering the warmest weather, longest days, and best access to attractions. July is often considered the peak, featuring great wildlife viewing, hiking, and fishing, though it can be more crowded and costly.

Want to explore in detail? Let’s dive in and explore everything month by month:

Best Time for Good Weather & Long Days

June and July are the warmest, with July having warmer temperatures but June often having less rain.

Best Time for Wildlife

If you are looking for the best time to visit Alaska for wildlife, then June and July are peak for general sightings, while early in the season (May/June) is best for whales, and late July through August is best for bear viewing.

Best Time for Fewer Crowds/Deals

Do you want to know what is the cheapest month to visit Alaska? The “shoulder” seasons of May and September offer lower prices and fewer visitors.

Best Time for Northern Lights

Seeking the best time to visit Alaska to see the northern lights? Late August through April is the best time to visit the Northern Lights.

Mosquito Caution: Mosquitoes are worst from mid-June to the end of July.

June, July, August (Peak Summer): Best for cruises, hiking, wildlife, and touring.

May & September (Shoulder): Good for spring wildflowers (May) or fall colors (Sept) and fewer crowds.

March (Winter Activities): Great for long sunny days, dog sledding, and aurora viewing.

Key Things to Know About Visiting Alaska in the Summer  

Want to know what are the nicest months in Alaska? The majesty of Alaska is on full display in the summer months. This season offers rushing rivers, cascading waterfalls, and wildflowers in bloom. The old-growth rainforests are bursting with green, even on cloudy days.  Here are some must-knows before you book your Alaska adventure.  

Temperature

From mid-June to mid-September, the Alaskan coast has an average high of 60° F and low of 42° F. 

Daylight

From late May to late July, Southeast Alaska sees up to 18 hours of daylight. It helps you explore much in the daylight. 

Wildlife Viewing

Many migratory species begin arriving in May, ranging from tiny rufous hummingbirds to huge humpback whales.  

Fishing

Want to catch Alaska’s renowned salmon? You can visit during May to mid-July for king salmon season or late July to early September for silver salmon.

Hiking

Trails at lower elevations tend to be clear of snow by May, but those in the mountains will take until June.