Weather on May 12 at Glacier Bay
Glacier Bay National Park and Preserve
Based on 55 years of data from Juneau, AK
Planning Your Visit
May 12th 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 12th was in 1995 (57°F average), while the coldest was 1985 (39°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 56% of May 12th dates historically, with the wettest May 12th recording 1.65" of rain. The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
Planning for May 12th 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 | 54°F | 33°F | 0.13" | 0" |
| 2024 | 48°F | 42°F | 0.86" | 0" |
| 2023 | 52°F | 48°F | 0.84" | 0" |
| 2022 | 61°F | 33°F | 0" | 0" |
| 2021 | 53°F | 43°F | 0.05" | 0" |
| 2020 | 70°F | 36°F | 0" | 0" |
| 2019 | 58°F | 34°F | 0" | 0" |
| 2018 | 58°F | 48°F | 0.58" | 0" |
| 2017 | 53°F | 48°F | 0.15" | 0" |
| 2016 | 74°F | 38°F | 0" | 0" |
| 2015 | 69°F | 38°F | 0" | 0" |
| 2014 | 64°F | 45°F | 0" | 0" |
| 2013 | 54°F | 44°F | 0.33" | 0" |
| 2012 | 44°F | 41°F | 1.5" | 0" |
| 2011 | 45°F | 39°F | 1.5" | 0" |
| 2010 | 50°F | 41°F | 0.94" | 0" |
| 2009 | 61°F | 31°F | 0" | 0" |
| 2008 | 46°F | 41°F | 1.17" | 0" |
| 2007 | 49°F | 40°F | 0.15" | 0" |
| 2006 | 53°F | 35°F | 0.08" | 0" |
| 2005 | 60°F | 49°F | 0" | 0" |
| 2004 | 65°F | 37°F | 0" | 0" |
| 2003 | 46°F | 40°F | 1.65" | 0" |
| 2002 | 48°F | 41°F | 0.51" | 0" |
| 2001 | 59°F | 34°F | 0.2" | 0" |
| 2000 | 63°F | 35°F | 0" | 0" |
| 1999 | 54°F | 40°F | 0.13" | 0" |
| 1998 | 54°F | 35°F | 0" | 0" |
| 1997 | 54°F | 37°F | 0.05" | 0" |
| 1996 | 69°F | 42°F | 0" | 0" |
| 1995 | 68°F | 46°F | 0" | 0" |
| 1994 | 49°F | 42°F | 1.42" | 0" |
| 1993 | 60°F | 35°F | 0" | 0" |
| 1992 | 56°F | 37°F | 0" | 0" |
| 1991 | 54°F | 32°F | 0.2" | 0" |
| 1990 | 62°F | 43°F | 0" | 0" |
| 1989 | 48°F | 42°F | 0.53" | 0" |
| 1988 | 55°F | 50°F | 0.1" | 0" |
| 1987 | 51°F | 38°F | 0" | 0" |
| 1986 | 42°F | 35°F | 0.76" | 0" |
| 1985 | 43°F | 36°F | 0.51" | 0" |
| 1984 | 58°F | 38°F | 0.56" | 0" |
| 1983 | 65°F | 45°F | 0" | 0" |
| 1982 | 50°F | 38°F | 0" | 0" |
| 1981 | 62°F | 40°F | 0" | 0" |
| 1980 | 68°F | 40°F | 0" | 0" |
| 1979 | 49°F | 39°F | 0.15" | 0" |
| 1978 | 56°F | 44°F | 0" | 0" |
| 1977 | 57°F | 36°F | 0" | 0" |
| 1976 | 48°F | 41°F | 0.08" | 0" |
| 1975 | 53°F | 43°F | 0.53" | 0" |
| 1974 | 51°F | 38°F | 0.13" | 0" |
| 1973 | 51°F | 40°F | 0.28" | 0" |
| 1972 | 50°F | 36°F | 0.13" | 0" |
| 1971 | 65°F | 32°F | 0" | 0" |