Weather on June 20 at Glacier Bay

Glacier Bay National Park and Preserve

AKAlaska
Avg High63°F
Avg Low48°F
Warmest201870°F
Coldest198546°F

Based on 55 years of data from Juneau, AK

Planning Your Visit

June 20th in Glacier Bay National Park (via Juneau, AK) typically brings mild summer weather, with average highs around 63°F and lows near 48°F. Over 55 years of records, the warmest June 20th was in 2018 (70°F average), while the coldest was 1985 (46°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 65% of June 20th dates historically, with the wettest June 20th recording 2.87" of rain. The last decade has been 3.5°F warmer on this date compared to 20-30 years ago.

The last decade has been 3.5°F warmer on this date compared to 20-30 years ago.

Planning for June 20th in Glacier Bay? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecipSnow
202570°F51°F0.03"0"
202473°F53°F0"0"
202377°F48°F0"0"
202256°F49°F0.71"0"
202162°F49°F1.32"0"
202058°F49°F1.19"0"
201972°F49°F0"0"
201885°F55°F0"0"
201755°F48°F1.6"0"
201661°F44°F0.2"0"
201571°F55°F0"0"
201452°F43°F2.87"0"
201370°F56°F0.2"0"
201263°F49°F0.15"0"
201159°F49°F0.79"0"
201072°F51°F0"0"
200963°F49°F0"0"
200869°F39°F0.03"0"
200766°F47°F0.1"0"
200660°F49°F0.15"0"
200560°F46°F0.97"0"
200485°F49°F0"0"
200357°F48°F0.2"0"
200256°F47°F0.2"0"
200163°F50°F0.33"0"
200055°F46°F1.07"0"
199961°F41°F0.1"0"
199863°F48°F0"0"
199762°F47°F0.03"0"
199661°F47°F0"0"
199565°F53°F0"0"
199454°F49°F0.23"0"
199356°F48°F0.13"0"
199259°F50°F0.64"0"
199184°F48°F0"0"
199054°F48°F0.76"0"
198964°F49°F0"0"
198863°F45°F0"0"
198768°F47°F0.08"0"
198657°F49°F0.58"0"
198553°F39°F0.15"0"
198461°F50°F0"0"
198355°F49°F0.25"0"
198258°F47°F0.15"0"
198162°F51°F0.03"0"
198067°F41°F0"0"
197959°F48°F0"0"
197855°F47°F0.18"0"
197762°F52°F0.05"0"
197660°F42°F0.41"0"
197558°F44°F0.1"0"
197455°F45°F0.33"0"
197365°F37°F0"0"
197256°F45°F0"0"
197169°F48°F0.13"0"

June 20 at Nearby Parks

Holiday Weather at Glacier Bay

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

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June 20 Weather at Glacier Bay National Park - Historical Data