Weather on March 31 at Glacier Bay

Glacier Bay National Park and Preserve

AKAlaska
Avg High43°F
Avg Low31°F
Warmest201647°F
Coldest202025°F

Based on 56 years of data from Juneau, AK

Planning Your Visit

March 31st in Glacier Bay National Park (via Juneau, AK) typically brings chilly spring weather, with average highs around 43°F and lows near 31°F. Over 56 years of records, the warmest March 31st was in 2016 (47°F average), while the coldest was 2020 (25°F) — a 22°F range across recorded history. Precipitation has occurred on 61% of recorded March 31st dates, with snow falling 21% of the time (heaviest snowfall: 4.4"). The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.

The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.

Planning for March 31st in Glacier Bay? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella. Check road conditions if traveling, as snow is possible.

Year by Year History

YearHighLowPrecipSnow
202640°F21°F0.23"2.2"
202551°F27°F0"0"
202446°F38°F0.41"0"
202342°F35°F0.18"0"
202242°F34°F0.3"0"
202138°F34°F2.11"0"
202033°F17°F0"0"
201959°F28°F0"0"
201840°F22°F0"0"
201742°F38°F2.57"0"
201658°F37°F0"0"
201544°F38°F0.51"0"
201448°F28°F0"0"
201342°F34°F0"0"
201245°F24°F0"0"
201139°F37°F0.58"0"
201045°F35°F0.28"0"
200936°F31°F0.41"2.2"
200837°F33°F0.08"0.6"
200740°F22°F0"0"
200645°F25°F0"0"
200543°F33°F1.17"0.3"
200438°F30°F0.05"1"
200338°F24°F0.36"1.6"
200237°F23°F0"0"
200142°F30°F0.08"0.1"
200043°F35°F2.03"0"
199944°F35°F0.05"0"
199843°F35°F0.61"0"
199744°F26°F0.03"0"
199632°F25°F0"0"
199547°F36°F0.48"0"
199451°F31°F0"0"
199351°F31°F0.03"0"
199249°F40°F0.3"0"
199141°F33°F1.09"1.2"
199047°F37°F0"0"
198948°F31°F0"0"
198840°F35°F1.68"0"
198747°F31°F0"0"
198636°F25°F0"0.1"
198542°F37°F0.79"0"
198448°F37°F0.23"0"
198342°F39°F0.3"0"
198240°F22°F0"0"
198152°F29°F0"0"
198044°F35°F0.03"0"
197940°F17°F0"0"
197844°F35°F0.13"0"
197746°F33°F0.03"0"
197634°F31°F0.38"1.4"
197535°F31°F0.41"4.4"
197445°F31°F0"0"
197340°F25°F0.46"0"
197239°F24°F0"0"
197137°F30°F0.1"0.5"

March 31 at Nearby Parks

Holiday Weather at Glacier Bay

Official NPS WebsiteVisit nps.gov/glba for park information, alerts, and reservations

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