Average Temperatures for Maine in August

Average temperatures for August at cities, communities, lakes and other locations throughout Maine are listed below in degrees Fahrenheit and Celsius.

You can jump to a separate table for Maine's Coast, Central Maine and Northern Maine.

The tables give the normals for maximum and minimum monthly temperatures based on weather data collected from 1991 to 2020 by the US National Centers for Environmental Information.

Maine Coast

Average August temperatures
High °F Low °F Place High °C Low °C
78 60 Acadia National Park 26 15
76 56 Belfast 25 13
78 58 Brunswick 26 15
75 56 Eastport 24 13
76 55 Jonesboro 25 13
76 57 Kennebunkport 24 14
77 59 Newcastle 25 15
79 60 Portland 26 15
74 57 Tenants Harbor 23 14

Central Maine

Average daily temperatures in August
High °F Low °F Place High °C Low °C
79 59 Augusta 26 15
79 57 Bangor 26 14
79 53 Dover-Foxcroft 26 12
76 53 Flagstaff Lake, Long Falls Dam 24 12
78 56 Grand Lake Stream 25 14
79 60 Lewiston 26 16
75 53 Lower Richardson Lake, Middle Dam 24 11
75 51 Rangeley 24 10
78 56 Rumford 26 13
80 57 Waterville 26 14

Northern Maine

August temperatures: daily averages
High °F Low °F Place High °C Low °C
75 51 Fort Kent 24 11
78 56 Millinocket 25 13
75 53 Moosehead Lake, Brassua Dam 24 12
77 55 Presque Isle 25 13
Reference

NOAA National Centers for Environmental Information (NCEI). Climate Normals.

Maine Temperatures
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