Weather on May 18 at Glacier Bay

Glacier Bay National Park and Preserve

AKAlaska
Avg High56°F
Avg Low40°F
Warmest201559°F
Coldest197341°F

Based on 55 years of data from Juneau, AK

Planning Your Visit

May 18th in Glacier Bay National Park (via Juneau, AK) typically brings cool spring weather, with average highs around 56°F and lows near 40°F. Over 55 years of records, the warmest May 18th was in 2015 (59°F average), while the coldest was 1973 (41°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 56% of May 18th dates historically, with the wettest May 18th recording 1.04" of rain. Temperatures on this date have remained relatively stable over the past several decades.

Temperatures on this date have remained relatively stable over the past several decades.

Planning for May 18th in Glacier Bay? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecipSnow
202556°F37°F0.03"0"
202454°F42°F0"0"
202376°F41°F0"0"
202263°F36°F0"0"
202163°F33°F0"0"
202055°F45°F0.05"0"
201964°F44°F0.03"0"
201874°F40°F0"0"
201753°F45°F0.51"0"
201659°F40°F0.13"0"
201573°F44°F0"0"
201461°F49°F0"0"
201348°F38°F0.97"0"
201248°F41°F0.3"0"
201150°F45°F0.05"0"
201064°F47°F0.03"0"
200960°F33°F0"0"
200852°F35°F0"0"
200760°F32°F0"0"
200653°F44°F0.25"0"
200573°F36°F0"0"
200462°F43°F0"0"
200360°F33°F0"0"
200263°F46°F0"0"
200155°F40°F0.3"0"
200051°F44°F0.91"0"
199949°F43°F0.66"0"
199856°F47°F0.08"0"
199757°F41°F0.08"0"
199666°F37°F0"0"
199549°F41°F0.56"0"
199459°F46°F0"0"
199365°F42°F0"0"
199253°F29°F0"0"
199151°F38°F0.1"0"
199053°F45°F0.03"0"
198953°F34°F0"0"
198850°F42°F0.48"0"
198759°F36°F0"0"
198647°F37°F0"0"
198555°F37°F0"0"
198456°F47°F0.03"0"
198346°F42°F0.79"0"
198248°F44°F1.04"0"
198158°F47°F0.13"0"
198052°F43°F0.05"0"
197949°F41°F0.28"0"
197847°F42°F0.64"0"
197771°F36°F0"0"
197647°F39°F0.05"0"
197554°F35°F0"0"
197450°F38°F0.03"0"
197343°F40°F0.99"0"
197248°F35°F0.64"0"
197153°F41°F0.28"0"

May 18 at Nearby Parks

Holiday Weather at Glacier Bay

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

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