Glacier Bay National Park and Preserve
Weather History, Monthly Averages & Best Time to Visit
AKAlaska
Look Up a Specific Date
Best Time to Visit
RecommendedJune - August
Late June to early August offers the longest days and mildest weather.
AvoidSeptember - May (most facilities closed, extreme cold)
Tip: Book accommodations early - Alaska parks have limited capacity and fill quickly.
Monthly Climate Averages
Historical temperature and precipitation averages for Juneau, AK, based on 55+ years of weather data.
Warmest MonthJulyAvg High: 64°F / Low: 50°F
Coldest MonthJanuaryAvg High: 32°F / Low: 23°F
Jan
32°/ 23°
💧 7.4"
❄️ 2.6"
Feb
35°/ 25°
💧 6.5"
❄️ 2.2"
Mar
39°/ 27°
💧 5.1"
❄️ 1.8"
Apr
48°/ 33°
💧 5.0"
❄️ 1.1"
May
57°/ 40°
💧 5.5"
Jun
62°/ 47°
💧 5.4"
Jul
64°/ 50°
💧 7.0"
Aug
63°/ 49°
💧 8.3"
Sep
56°/ 44°
💧 10.3"
Oct
47°/ 38°
💧 9.6"
❄️ 1.3"
Nov
38°/ 29°
💧 7.7"
❄️ 2.2"
Dec
34°/ 25°
💧 7.4"
❄️ 1.9"
Temperatures in Fahrenheit. Precipitation and snowfall in inches.
Data from Juneau, AK.
Seasonal Weather
Gateway Cities
Nearby Parks
Official NPS Websitenps.gov/glba
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