Weather on May 9 at Acadia
Acadia National Park
Based on 54 years of data from Bar Harbor, ME
Planning Your Visit
May 9th in Acadia National Park (via Bar Harbor, ME) typically brings mild spring weather, with average highs around 61°F and lows near 40°F. Over 54 years of records, the warmest May 9th was in 1979 (65°F average), while the coldest was 2020 (36°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 30% of May 9th dates historically, with the wettest May 9th recording 3.99" of rain. The last decade has been 5.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 5.3°F cooler on this date compared to 20-30 years ago.
Planning for May 9th in Acadia? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 52°F | 44°F | -- | -- |
| 2024 | 47°F | 39°F | -- | -- |
| 2023 | 62°F | 38°F | -- | -- |
| 2022 | 61°F | 36°F | -- | -- |
| 2021 | 65°F | 38°F | -- | -- |
| 2020 | 39°F | 32°F | -- | -- |
| 2019 | 60°F | 35°F | -- | -- |
| 2018 | 69°F | 40°F | -- | -- |
| 2017 | 51°F | 40°F | -- | -- |
| 2016 | 52°F | 32°F | -- | -- |
| 2015 | 53°F | 40°F | -- | -- |
| 2014 | 69°F | 43°F | 0" | -- |
| 2013 | 70°F | 52°F | 1.09" | -- |
| 2012 | 52°F | 42°F | 2.24" | -- |
| 2011 | 61°F | 46°F | 0" | -- |
| 2010 | 50°F | 42°F | 0.08" | 0" |
| 2009 | 71°F | 53°F | 0.13" | 0" |
| 2008 | 69°F | 45°F | 0" | 0" |
| 2007 | 74°F | 48°F | 0" | 0" |
| 2006 | 61°F | 42°F | 0" | 0" |
| 2005 | 53°F | 36°F | 0.2" | 0" |
| 2004 | 59°F | 42°F | 0" | 0" |
| 2003 | 62°F | 40°F | 0" | 0" |
| 2002 | 63°F | 42°F | 0" | 0" |
| 2001 | 75°F | 40°F | 0" | 0" |
| 2000 | 76°F | 45°F | 1.04" | 0" |
| 1999 | 61°F | 47°F | 1.22" | 0" |
| 1998 | 62°F | 49°F | 0.03" | 0" |
| 1997 | 55°F | 33°F | 0" | 0" |
| 1996 | 65°F | 38°F | 0" | 0" |
| 1995 | 63°F | 33°F | 0" | 0" |
| 1994 | 62°F | 42°F | 1.6" | 0" |
| 1993 | 77°F | 45°F | 0" | 0" |
| 1992 | 57°F | 40°F | 1.12" | 0" |
| 1991 | 64°F | 39°F | 0" | 0" |
| 1990 | 59°F | 42°F | 0" | 0" |
| 1989 | 57°F | 38°F | 0" | 0" |
| 1988 | 67°F | 35°F | 0" | 0" |
| 1987 | 67°F | 37°F | 0" | 0" |
| 1986 | 51°F | 31°F | 0" | 0" |
| 1985 | 53°F | 27°F | 0" | 0" |
| 1984 | 59°F | 42°F | 1.83" | 0" |
| 1983 | 57°F | 44°F | 1.4" | 0" |
| 1982 | 69°F | 45°F | 0" | 0" |
| 1980 | 61°F | -- | 0.25" | 0" |
| 1979 | 83°F | 48°F | 0" | 0" |
| 1978 | 67°F | 36°F | 3.99" | 0" |
| 1977 | 54°F | 33°F | 0" | 0" |
| 1976 | 64°F | 41°F | 0.03" | 0" |
| 1975 | 62°F | 38°F | 0" | 0" |
| 1974 | 57°F | 35°F | 0" | 0" |
| 1973 | 67°F | 38°F | 0" | 0" |
| 1972 | 58°F | 39°F | 0" | 0" |
| 1971 | 58°F | 42°F | 0.05" | 0" |