National Park & Preserve · AK

Glacier Bay

Best seasonJun–Sep

EntranceFree

Fly intoJNU

When to go · season and historical weather

Sweet spotPeak Jun–Aug. Go in May, Sep for similar weather.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Bar height shows the season; shaded months are the window to go. Select a month for historical weather.

Weather data & source

2018–2023 averages, not a forecast. Wet days estimate days with at least 1 mm of rain or snow using a calibrated ERA5 threshold. Contains modified Copernicus Climate Change Service information. Weather data by Open-Meteo.com (AWS Open Data, CC BY 4.0). Sunny share of daylight does not describe nighttime visibility. Season bars and highlighted months are separate from these weather averages. ERA5 via Open-Meteo AWS Open Data

On the map

Map showing the location of Glacier Bay

When to go

Summer temperatures average 50° to 60° F (10° to 15° C). Rain is the norm in lush southeast Alaska. It is best to be prepared to enjoy the park in any kind of weather, especially rain. Suggested clothing includes waterproof boots, rain gear, a hat, gloves, wool or pile layers or a warm coat. Good rain gear is essential here. April, May and June are usually the driest months of the year. September and October tend to be the wettest.

Know before you go

No entrance feeFly into JNU

Check current conditions with NPS →