Weather on May 15 at Acadia
Acadia National Park
MENortheast500 ft elevation
Avg High64°F
Avg Low43°F
Warmest197563°F
Coldest201940°F
Based on 55 years of data from Bar Harbor, ME
Planning Your Visit
May 15th in Acadia National Park (via Bar Harbor, ME) typically brings mild spring weather, with average highs around 64°F and lows near 43°F. Over 55 years of records, the warmest May 15th was in 1975 (63°F average), while the coldest was 2019 (40°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 27% of May 15th dates historically, with the wettest May 15th recording 2.54" of rain. The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
Planning for May 15th in Acadia? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 75°F | 51°F | -- | -- |
| 2024 | 73°F | 46°F | -- | -- |
| 2023 | 70°F | 42°F | -- | -- |
| 2022 | 59°F | 49°F | -- | -- |
| 2021 | 69°F | 51°F | -- | -- |
| 2020 | 56°F | 44°F | -- | -- |
| 2019 | 44°F | 36°F | -- | -- |
| 2018 | 66°F | 48°F | -- | -- |
| 2017 | 47°F | 42°F | -- | -- |
| 2016 | 61°F | 43°F | -- | -- |
| 2015 | 72°F | 47°F | -- | -- |
| 2014 | 62°F | 46°F | 0" | -- |
| 2013 | 60°F | 38°F | 0" | -- |
| 2012 | 67°F | 51°F | 0.08" | -- |
| 2011 | 54°F | 45°F | 0.89" | -- |
| 2010 | 63°F | 47°F | 0.3" | 0" |
| 2009 | 68°F | 48°F | 0.64" | 0" |
| 2008 | 68°F | 47°F | 0" | 0" |
| 2007 | 64°F | 40°F | 0.05" | 0" |
| 2006 | 58°F | 44°F | 0" | 0" |
| 2005 | 57°F | 37°F | 0.05" | 0" |
| 2004 | 76°F | 45°F | 0" | 0" |
| 2003 | 52°F | 44°F | 0" | 0" |
| 2002 | 50°F | 39°F | 0.13" | 0" |
| 2001 | 61°F | 41°F | 0.15" | 0" |
| 2000 | 65°F | 41°F | 0" | 0" |
| 1999 | 65°F | 41°F | 0" | 0" |
| 1998 | 74°F | 41°F | 0" | 0" |
| 1997 | 64°F | 41°F | 0" | 0" |
| 1996 | 64°F | 36°F | 0" | 0" |
| 1995 | 68°F | 39°F | 0" | 0" |
| 1994 | 62°F | 42°F | 0" | 0" |
| 1993 | 64°F | 39°F | 0" | 0" |
| 1992 | 65°F | 41°F | 0" | 0" |
| 1991 | 69°F | 44°F | 0" | 0" |
| 1990 | 71°F | 44°F | 0" | 0" |
| 1989 | 71°F | 41°F | 0" | 0" |
| 1988 | 61°F | 39°F | 0" | 0" |
| 1987 | 56°F | 34°F | 0.76" | 0" |
| 1986 | 66°F | 40°F | 0" | 0" |
| 1985 | 69°F | 35°F | 0" | 0" |
| 1984 | 56°F | 38°F | 0.1" | 0" |
| 1983 | 60°F | 47°F | 0.76" | 0" |
| 1982 | 55°F | 39°F | 0.13" | 0" |
| 1981 | 71°F | -- | 0" | 0" |
| 1980 | 69°F | -- | 0" | 0" |
| 1979 | 60°F | 47°F | 1.02" | 0" |
| 1978 | 66°F | 45°F | 0" | 0" |
| 1977 | 65°F | 43°F | 0" | 0" |
| 1976 | 66°F | 54°F | 0.56" | 0" |
| 1975 | 75°F | 51°F | 0" | 0" |
| 1974 | 71°F | 51°F | 0" | 0" |
| 1973 | 63°F | 44°F | 0" | 0" |
| 1972 | 65°F | 51°F | 2.54" | 0" |
| 1971 | 61°F | 38°F | 0" | 0" |
May 15 at Nearby Parks
Holiday Weather at Acadia
Official NPS WebsiteVisit nps.gov/acad for park information, alerts, and reservations
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