Temperature in Maine in August

Daytime highs, nighttime lows and the warmest cities in Maine, the United States of America this August.

Maine, the United States of America, a region in the United States of America, experiences high average maximum daytime temperatures in August, ranging from 22°C (72°F) in Northeast Harbor to 27°C (81°F) in South Berwick. Nighttime temperatures generally drop to 14°C (57°F) in South Berwick and 14°C (57°F) in Northeast Harbor. August is part of the summer season

What is the temperature of the different cities in Maine, the United States of America in August?

Find the average daytime temperatures in August for the most popular destinations in Maine on the map below. Click on a destination dot for more detailed information.

Select a Month

Check the conditions for any month of the year.

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For a detailed overview over the year and the best time to visit Maine, check out our Maine's climate page.

See also: Maine weather by month.

Best Places to Visit in Maine in August

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Maine.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in August: blue is cold, red is hot.

See all August weather averages, cities and regions in Maine

Maine temperatures in August: frequently asked questions

How hot does it get in Maine, the United States of America in August?

Expect daytime temperatures around 24°C (75°F) in Bar Harbor. That makes August a high month for Maine, the United States of America.

How cold does it get at night in Maine, the United States of America in August?

Average overnight lows in Maine, the United States of America during August sit near 15°C (59°F) in Bar Harbor.

What is the warmest city in August in Maine, the United States of America?

Data insights from our comprehensive database indicate that South Berwick is the city with the highest warmth. Daytime peaks average near 27°C (81°F), while the nights are characterized by a low temperature close to 14°C (57°F).

What is the coldest city in August in Maine, the United States of America?

For the month of August, Northeast Harbor is the most temperate city in Maine, the United States of America based on our records. Highs average 22°C (72°F) and nighttime temperatures dip to around 14°C (57°F).

What is the water temperature in August?

The water temperature averages approximately 18°C (64°F) in Portland this month, still a bit cool to swim, though some enjoy a refreshing dip.

Interested in more climate information?

We have much more information about the climate in Maine.

Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed historical weather averages for many cities in the United States of America.

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