Weather on June 21 at Glacier Bay
Glacier Bay National Park and Preserve
Based on 55 years of data from Juneau, AK
Planning Your Visit
June 21st in Glacier Bay National Park (via Juneau, AK) typically brings mild summer weather, with average highs around 63°F and lows near 47°F. Over 55 years of records, the warmest June 21st was in 1991 (68°F average), while the coldest was 2000 (47°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 60% of June 21st dates historically, with the wettest June 21st recording 1.91" of rain. The last decade has been 2.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.9°F warmer on this date compared to 20-30 years ago.
Planning for June 21st in Glacier Bay? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 75°F | 48°F | 0" | 0" |
| 2024 | 68°F | 54°F | 0.05" | 0" |
| 2023 | 70°F | 48°F | 0" | 0" |
| 2022 | 54°F | 49°F | 0.36" | 0" |
| 2021 | 57°F | 51°F | 0.38" | 0" |
| 2020 | 54°F | 48°F | 0.38" | 0" |
| 2019 | 75°F | 45°F | 0" | 0" |
| 2018 | 73°F | 57°F | 0" | 0" |
| 2017 | 59°F | 49°F | 0.2" | 0" |
| 2016 | 62°F | 50°F | 0.15" | 0" |
| 2015 | 68°F | 51°F | 0" | 0" |
| 2014 | 60°F | 40°F | 0" | 0" |
| 2013 | 76°F | 51°F | 0" | 0" |
| 2012 | 64°F | 44°F | 0.08" | 0" |
| 2011 | 64°F | 46°F | 0" | 0" |
| 2010 | 64°F | 47°F | 0" | 0" |
| 2009 | 61°F | 49°F | 0.05" | 0" |
| 2008 | 60°F | 45°F | 0.3" | 0" |
| 2007 | 59°F | 46°F | 0.1" | 0" |
| 2006 | 58°F | 49°F | 0.03" | 0" |
| 2005 | 54°F | 46°F | 1.27" | 0" |
| 2004 | 84°F | 48°F | 0" | 0" |
| 2003 | 59°F | 49°F | 0.08" | 0" |
| 2002 | 60°F | 45°F | 0.03" | 0" |
| 2001 | 60°F | 50°F | 0.03" | 0" |
| 2000 | 50°F | 45°F | 1.8" | 0" |
| 1999 | 58°F | 49°F | 0.23" | 0" |
| 1998 | 54°F | 45°F | 1.14" | 0" |
| 1997 | 73°F | 48°F | 0" | 0" |
| 1996 | 72°F | 43°F | 0" | 0" |
| 1995 | 71°F | 53°F | 0" | 0" |
| 1994 | 60°F | 48°F | 0.25" | 0" |
| 1993 | 60°F | 45°F | 0.03" | 0" |
| 1992 | 52°F | 46°F | 0.48" | 0" |
| 1991 | 82°F | 54°F | 0" | 0" |
| 1990 | 63°F | 51°F | 0.74" | 0" |
| 1989 | 62°F | 51°F | 0" | 0" |
| 1988 | 72°F | 41°F | 0" | 0" |
| 1987 | 54°F | 48°F | 1.91" | 0" |
| 1986 | 54°F | 49°F | 0.28" | 0" |
| 1985 | 57°F | 43°F | 0.13" | 0" |
| 1984 | 71°F | 51°F | 0" | 0" |
| 1983 | 66°F | 48°F | 0" | 0" |
| 1982 | 60°F | 44°F | 0.28" | 0" |
| 1981 | 65°F | 48°F | 0.23" | 0" |
| 1980 | 51°F | 46°F | 1.19" | 0" |
| 1979 | 59°F | 47°F | 0.03" | 0" |
| 1978 | 71°F | 46°F | 0" | 0" |
| 1977 | 66°F | 49°F | 0.3" | 0" |
| 1976 | 68°F | 37°F | 0" | 0" |
| 1975 | 62°F | 42°F | 0.03" | 0" |
| 1974 | 65°F | 39°F | 0.05" | 0" |
| 1973 | 59°F | 42°F | 0.36" | 0" |
| 1972 | 58°F | 43°F | 0" | 0" |
| 1971 | 65°F | 50°F | 0" | 0" |