Acadia National Park
Weather History, Monthly Averages & Best Time to Visit
MENortheast500 ft
Look Up a Specific Date
Best Time to Visit
RecommendedMay - October
Fall foliage peaks in early-to-mid October.
AvoidWinter months (very cold, limited access)
Tip: Watch sunrise from Cadillac Mountain - the first place the sun hits the US.
Monthly Climate Averages
Historical temperature and precipitation averages for Bar Harbor, ME, based on 55+ years of weather data.
Warmest MonthJulyAvg High: 79°F / Low: 59°F
Coldest MonthJanuaryAvg High: 31°F / Low: 13°F
Jan
31°/ 13°
💧 10.2"
❄️ 2.7"
Feb
34°/ 16°
💧 10.5"
❄️ 2.7"
Mar
41°/ 24°
💧 11.1"
❄️ 3.0"
Apr
52°/ 34°
💧 10.9"
❄️ 3.3"
May
64°/ 44°
💧 8.7"
❄️ 1.0"
Jun
73°/ 52°
💧 8.7"
Jul
79°/ 59°
💧 7.9"
Aug
77°/ 58°
💧 8.5"
Sep
69°/ 51°
💧 10.9"
Oct
58°/ 42°
💧 12.0"
❄️ 3.5"
Nov
47°/ 32°
💧 12.9"
❄️ 2.6"
Dec
37°/ 20°
💧 11.1"
❄️ 2.8"
Temperatures in Fahrenheit. Precipitation and snowfall in inches.
Data from Bar Harbor, ME. Expect ~2°F cooler at elevation.
Seasonal Weather
Gateway Cities
Nearby Parks
Official NPS Websitenps.gov/acad
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