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Acadia National Park (ME) Weather and Climate: A Comprehensive Guide

The climate in Acadia National Park is marked by big temperature swings throughout the year. Temperatures range from warm during the warmest months to very cold in the cooler months. It is also known for its large amounts of rain/snowfall. Now, let’s explore all the climate details to give you a full picture.

Average maximum day and minimum night temperature

In Acadia National Park, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a comfortable 25°C in July to a very cold 0°C in the coolest month, January.

Nights are cooler, with lows often dropping to around -9°C during the colder months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Acadia National Park experiences significant rain/snowfall throughout the year, averaging 1374 mm of precipitation annually. Acadia National Park offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between October (158 mm) and August (90 mm) is not too significant, making the climate enjoyable for visitors and residents alike.

The mean monthly precipitation over the year, including rain, hail and snow

Forecast for Acadia National Park (ME)

Sun   Dec 22
-8°C | -16°C
NW 7 m/s
clear and no rain

clear and no rain

Mon   Dec 23
-4°C | -14°C
NW 3 m/s
almost clear and no rain

almost clear and no rain

Tue   Dec 24
-2°C | -8°C
SW 5 m/s
20 mm
overcast and heavy snow

overcast and heavy snow

The best time of year to visit Acadia National Park in the United States of America

During the months of June, July, August and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which months have the greatest rainfall in Acadia National Park?
    Most rainfall (rainy season) is seen in October and December.
  • Which is the warmest month in Acadia National Park?
    July has an average maximum temperature of 25°C and is the warmest month of the year.
  • Which is the coldest month in Acadia National Park?
    The coldest month is January with an average maximum temperature of 0°C.
  • Which is the wettest month in Acadia National Park?
    October tops the wettest month list with 158 mm of rainfall.
  • Which is the driest month in Acadia National Park?
    August is the driest month with 90 mm of precipitation.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.