Average Annual Temperatures in Maine





Average annual temperatures for 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.

Place name links take you to more detailed temperature information for that location.

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

Maine Coast

Average annual temperatures
High °F Low °F Place High °C Low °C
56 39 Acadia National Park 13 4
54 34 Belfast 12 1
55 36 Brunswick 13 2
53 37 Eastport 12 3
54 35 Jonesboro 12 1
55 36 Kennebunkport 13 2
55 38 Newcastle 13 3
56 39 Portland 14 4
55 38 Tenants Harbor 13 3

Central Maine

Average temperatures for the year
High °F Low °F Place High °C Low °C
55 37 Augusta 13 3
55 35 Bangor 13 2
54 31 Dover-Foxcroft 12 -1
51 31 Flagstaff Lake, Long Falls Dam 10 -1
54 34 Grand Lake Stream 12 1
55 38 Lewiston 13 3
51 30 Lower Richardson Lake, Middle Dam 11 -1
51 28 Rangeley 11 -2
55 33 Rumford 13 1
56 35 Waterville 13 2

Northern Maine

Average yearly temperatures
High °F Low °F Place High °C Low °C
49 27 Fort Kent 9 -3
52 32 Millinocket 11 0
50 29 Moosehead Lake, Brassua Dam 10 -2
52 32 Presque Isle 11 0
Reference

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

Maine Temperatures
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