Weather on May 9 at Acadia
Acadia National Park
MENortheast500 ft elevation
Avg High61°F
Avg Low40°F
Warmest197965°F
Coldest202036°F
Based on 55 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 55 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 29% of May 9th dates historically, with the wettest May 9th recording 3.99" of rain. The last decade has been 5.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 5.1°F cooler on this date compared to 20-30 years ago.
Planning for May 9th in Acadia? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 60°F | 37°F | -- | -- |
| 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" |
May 9 at Nearby Parks
Holiday Weather at Acadia
Official NPS WebsiteVisit nps.gov/acad for park information, alerts, and reservations
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