Weather on May 20 at Acadia
Acadia National Park
Based on 54 years of data from Bar Harbor, ME
Planning Your Visit
May 20th in Acadia National Park (via Bar Harbor, ME) typically brings mild spring weather, with average highs around 66°F and lows near 44°F. Over 54 years of records, the warmest May 20th was in 2003 (67°F average), while the coldest was 1990 (44°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 37% of May 20th dates historically, with the wettest May 20th recording 2.13" 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 Acadia? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 48°F | 42°F | -- | -- |
| 2024 | 67°F | 48°F | -- | -- |
| 2023 | 62°F | 49°F | -- | -- |
| 2022 | 56°F | 45°F | -- | -- |
| 2021 | 64°F | 45°F | -- | -- |
| 2020 | 64°F | 46°F | -- | -- |
| 2019 | 67°F | 48°F | -- | -- |
| 2018 | 70°F | 50°F | -- | -- |
| 2017 | 63°F | 45°F | -- | -- |
| 2016 | 72°F | 47°F | -- | -- |
| 2015 | 66°F | 41°F | -- | -- |
| 2014 | 61°F | 47°F | 1.07" | -- |
| 2013 | 56°F | 46°F | 1.85" | -- |
| 2012 | 79°F | 55°F | 0" | -- |
| 2011 | 61°F | 49°F | 0.13" | -- |
| 2010 | 75°F | 48°F | 2.13" | 0" |
| 2009 | 68°F | 37°F | 0" | 0" |
| 2008 | 60°F | 42°F | 0" | 0" |
| 2007 | 59°F | 44°F | 0.03" | 0" |
| 2006 | 59°F | 47°F | 0.28" | 0" |
| 2005 | 62°F | 44°F | 0.48" | 0" |
| 2004 | 71°F | 56°F | 0" | 0" |
| 2003 | 82°F | 51°F | 0" | 0" |
| 2002 | 59°F | 32°F | 0" | 0" |
| 2001 | 66°F | 42°F | 0.08" | 0" |
| 2000 | 57°F | 33°F | 0" | 0" |
| 1998 | 73°F | 48°F | 0" | 0" |
| 1997 | 51°F | 41°F | 1.07" | 0" |
| 1996 | 59°F | 46°F | 1.91" | 0" |
| 1995 | 69°F | 41°F | 0.13" | 0" |
| 1994 | 59°F | 33°F | 0" | 0" |
| 1993 | 61°F | 44°F | 0" | 0" |
| 1992 | 78°F | 40°F | 0" | 0" |
| 1991 | 73°F | 40°F | 0" | 0" |
| 1990 | 51°F | 38°F | 0.05" | 0" |
| 1989 | 77°F | 44°F | 0" | 0" |
| 1988 | 61°F | 50°F | 0.71" | 0" |
| 1987 | 65°F | 37°F | 0" | 0" |
| 1986 | 80°F | 46°F | 0" | 0" |
| 1985 | 68°F | 41°F | 0.05" | 0" |
| 1984 | 64°F | 46°F | 0" | 0" |
| 1983 | 66°F | 43°F | 0.69" | 0" |
| 1982 | 75°F | 52°F | 0.28" | 0" |
| 1981 | 71°F | 43°F | 0" | 0" |
| 1980 | 72°F | 44°F | 0" | 0" |
| 1979 | 58°F | 48°F | 0.64" | 0" |
| 1978 | 67°F | 45°F | 0" | 0" |
| 1977 | 74°F | 41°F | 0" | 0" |
| 1976 | 55°F | 35°F | 1.85" | 0" |
| 1975 | 77°F | 50°F | 0" | 0" |
| 1974 | 64°F | 40°F | 0" | 0" |
| 1973 | 67°F | 43°F | 0.1" | 0" |
| 1972 | 62°F | 44°F | 0.03" | 0" |
| 1971 | 70°F | 45°F | 0" | 0" |