Weather on December 20 at Acadia
Acadia National Park
Based on 54 years of data from Bar Harbor, ME
Planning Your Visit
December 20th in Acadia National Park (via Bar Harbor, ME) typically brings cold winter weather, with average highs around 32°F and lows near 17°F. Over 54 years of records, the warmest December 20th was in 1992 (38°F average), while the coldest was 1975 (1°F) — a 37°F range across recorded history. Precipitation has occurred on 33% of recorded December 20th dates, with snow falling 17% of the time (heaviest snowfall: 3.5"). The last decade has been 3.6°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.6°F cooler on this date compared to 20-30 years ago.
Planning for December 20th in Acadia? Bundle up with warm layers and protect extremities from the cold. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 36°F | 26°F | -- | -- |
| 2024 | 25°F | 19°F | -- | -- |
| 2023 | 34°F | 28°F | -- | -- |
| 2022 | 35°F | 30°F | -- | -- |
| 2021 | 31°F | 13°F | -- | -- |
| 2020 | 40°F | 24°F | -- | -- |
| 2019 | 26°F | 6°F | -- | -- |
| 2018 | 47°F | 22°F | -- | -- |
| 2017 | 39°F | 19°F | -- | -- |
| 2016 | 37°F | 9°F | -- | -- |
| 2015 | 32°F | 21°F | -- | -- |
| 2014 | 26°F | 20°F | -- | -- |
| 2013 | 39°F | 27°F | 0" | -- |
| 2012 | 33°F | 28°F | 0.05" | -- |
| 2011 | 38°F | 26°F | 0" | -- |
| 2010 | 33°F | 19°F | 0" | 0" |
| 2009 | 26°F | 14°F | 0.1" | -- |
| 2008 | 14°F | 4°F | 0" | 0" |
| 2007 | 35°F | 20°F | 1.52" | 2" |
| 2006 | 32°F | 14°F | 0" | 0" |
| 2005 | 32°F | 21°F | 0" | 0" |
| 2004 | 34°F | 24°F | 0.03" | 0" |
| 2003 | 32°F | 20°F | 0" | 0" |
| 2002 | 47°F | 26°F | 0.05" | 0" |
| 2001 | 39°F | 23°F | 0.15" | 0" |
| 2000 | 37°F | 23°F | 1.93" | 0" |
| 1999 | 36°F | 10°F | 0" | 0" |
| 1998 | 41°F | 29°F | 0" | 0" |
| 1997 | 41°F | 30°F | 0.03" | 0.5" |
| 1996 | 46°F | 26°F | 2.16" | 0" |
| 1995 | 23°F | 19°F | 0.89" | 2.5" |
| 1994 | 30°F | 15°F | 0" | 0" |
| 1993 | 44°F | 24°F | 1.75" | 3.5" |
| 1992 | 46°F | 31°F | 1.78" | 0" |
| 1991 | 23°F | 2°F | 0" | -- |
| 1990 | 36°F | 12°F | 0" | 0" |
| 1989 | 23°F | 6°F | 0" | 0" |
| 1988 | 41°F | 19°F | 0" | 0" |
| 1987 | 22°F | 9°F | 0.03" | 0.1" |
| 1986 | 36°F | 28°F | 0" | 0" |
| 1985 | 11°F | -9°F | 0" | 0" |
| 1984 | 38°F | 22°F | 1.02" | 0.7" |
| 1983 | 27°F | -8°F | 0" | 0" |
| 1982 | 27°F | 20°F | 0" | 0" |
| 1981 | 26°F | 12°F | 0" | 0" |
| 1979 | 22°F | 2°F | 0" | 0" |
| 1978 | 23°F | 12°F | 0" | 0" |
| 1977 | 31°F | 27°F | 0" | 0" |
| 1976 | 40°F | 12°F | 0.08" | 0" |
| 1975 | 8°F | -6°F | 0" | 0" |
| 1974 | 34°F | 24°F | 0.36" | 2.2" |
| 1973 | 38°F | 14°F | 0" | 0" |
| 1972 | 20°F | 11°F | 0.03" | 0.4" |
| 1971 | 37°F | 10°F | 1.35" | 1" |