Average August Temperatures for Maine

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

Average Temperatures for Maine in August

Maine Coast

Central Maine

Northern Maine

Reference

More Maine Weather Information