Weather on May 20 at Glacier Bay
Glacier Bay National Park and Preserve
Based on 55 years of data from Juneau, AK
Planning Your Visit
May 20th in Glacier Bay National Park (via Juneau, AK) typically brings cool spring weather, with average highs around 58°F and lows near 41°F. Over 55 years of records, the warmest May 20th was in 2002 (59°F average), while the coldest was 2013 (42°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 49% of May 20th dates historically, with the wettest May 20th recording 2.18" 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 20th in Glacier Bay? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 53°F | 46°F | 0.18" | 0" |
| 2024 | 45°F | 41°F | 0.71" | 0" |
| 2023 | 63°F | 50°F | 0.3" | 0" |
| 2022 | 68°F | 36°F | 0" | 0" |
| 2021 | 63°F | 41°F | 0" | 0" |
| 2020 | 59°F | 41°F | 0.05" | 0" |
| 2019 | 70°F | 44°F | 0" | 0" |
| 2018 | 54°F | 48°F | 0.66" | 0" |
| 2017 | 53°F | 47°F | 2.18" | 0" |
| 2016 | 68°F | 41°F | 0" | 0" |
| 2015 | 70°F | 46°F | 0" | 0" |
| 2014 | 53°F | 44°F | 0.23" | 0" |
| 2013 | 54°F | 30°F | 0" | 0" |
| 2012 | 57°F | 38°F | 0" | 0" |
| 2011 | 57°F | 45°F | 0" | 0" |
| 2010 | 71°F | 37°F | 0.13" | 0" |
| 2009 | 62°F | 36°F | 0" | 0" |
| 2008 | 64°F | 42°F | 0" | 0" |
| 2007 | 62°F | 39°F | 0" | 0" |
| 2006 | 59°F | 39°F | 0" | 0" |
| 2005 | 65°F | 49°F | 0" | 0" |
| 2004 | 72°F | 42°F | 0" | 0" |
| 2003 | 64°F | 36°F | 0" | 0" |
| 2002 | 75°F | 42°F | 0" | 0" |
| 2001 | 50°F | 41°F | 0.3" | 0" |
| 2000 | 53°F | 40°F | 0" | 0" |
| 1999 | 49°F | 43°F | 0.33" | 0" |
| 1998 | 49°F | 45°F | 0.71" | 0" |
| 1997 | 73°F | 41°F | 0" | 0" |
| 1996 | 56°F | 44°F | 0.13" | 0" |
| 1995 | 61°F | 35°F | 0" | 0" |
| 1994 | 54°F | 47°F | 0.23" | 0" |
| 1993 | 57°F | 50°F | 0.94" | 0" |
| 1992 | 58°F | 37°F | 0" | 0" |
| 1991 | 52°F | 40°F | 0.15" | 0" |
| 1990 | 70°F | 39°F | 0" | 0" |
| 1989 | 58°F | 40°F | 0" | 0" |
| 1988 | 48°F | 40°F | 0.33" | 0" |
| 1987 | 59°F | 37°F | 0" | 0" |
| 1986 | 51°F | 40°F | 1.24" | 0" |
| 1985 | 49°F | 39°F | 0.38" | 0" |
| 1984 | 53°F | 47°F | 0.61" | 0" |
| 1983 | 56°F | 46°F | 0.91" | 0" |
| 1982 | 50°F | 41°F | 0.25" | 0" |
| 1981 | 55°F | 46°F | 0" | 0" |
| 1980 | 47°F | 41°F | 0.84" | 0" |
| 1979 | 59°F | 37°F | 0.05" | 0" |
| 1978 | 55°F | 38°F | 0" | 0" |
| 1977 | 53°F | 34°F | 0" | 0" |
| 1976 | 53°F | 41°F | 0" | 0" |
| 1975 | 46°F | 39°F | 0.76" | 0" |
| 1974 | 61°F | 33°F | 0" | 0" |
| 1973 | 50°F | 39°F | 0.61" | 0" |
| 1972 | 52°F | 44°F | 1.93" | 0" |
| 1971 | 55°F | 39°F | 0.71" | 0" |