Climate guide for Glacier Bay National Park, Alaska

Best Time to Visit
Glacier Bay National Park

How to read the score (0–10)
05810
UnfavorableGoodOptimal

About Glacier Bay National Park

Glacier Bay National Park reveals tidewater glaciers calving into fjords with humpback whales and rainforest shores. Visit in June–September for the most reliable weather window at this United States highlight.

Things to do in Glacier Bay National Park

Glacier Bay National Park, Alaska. Live activities and tours from GetYourGuide, matched to this destination.

Frequently asked

When is the best time to visit Glacier Bay National Park, Alaska?
The best months to visit Glacier Bay National Park are July, June, May, August, April, September. July is the single peak month with a climate score of 9.6/10 based on temperature, rainfall, humidity, daylight and historical sunny days.
What is the weather like in Glacier Bay National Park year-round?
Glacier Bay National Park has a nature and wildlife climate profile. Average monthly temperatures range from 3°C in January to 22°C in July, with climate scores between 5.0 and 9.6 out of 10.
Which months should I avoid in Glacier Bay National Park?
The lowest-scoring months in Glacier Bay National Park are December (5.0/10), January (5.2/10), November (5.8/10). These months typically combine less comfortable temperatures, higher rainfall or fewer sunny days.
When is the rainy season in Glacier Bay National Park?
November is the wettest month in Glacier Bay National Park, averaging about 70 mm of rainfall. February is the driest, at roughly 50 mm.
Which is the sunniest month in Glacier Bay National Park?
July sees the most sun in Glacier Bay National Park, with about 23 sunny days on average - ideal for outdoor plans.
Is Glacier Bay National Park good for nature and wildlife travel?
Glacier Bay National Park is profiled as a nature and wildlife destination in Attraction, Alaska. Its highest-scoring window (July, June, May, August, April, September) aligns with the conditions travelers usually look for in this style of trip.
How is the bestime.to score for Glacier Bay National Park calculated?
Each month is rated 0-10 using ERA5 climate normals for Glacier Bay National Park: temperature comfort, precipitation, humidity, daylight hours, and historical sunny days - weighted for a nature and wildlife trip.

Explore by month

Curated in Glacier Bay National Park

Tickets & experiences

More destinations in Alaska

Explore destinations around the world