Average Temperatures for Maine in December

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Average temperatures for December at cities, towns, parks and lakes throughout Maine are listed below in degrees Fahrenheit and Celsius.

The tables give the normals for maximum and minimum monthly temperatures based on weather data collected from 1971 to 2000.

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

Maine Coast

Average December temperatures
High °F Low °F Place High °C Low °C
37 21 Acadia National Park  3   -6
34 18 Belfast  1   -8
36 18 Brunswick  2   -8
36 21 Eastport  2   -6
35 18 Ellsworth  2   -8
35 17 Jonesboro  2   -8
38 19 Kennebunkport  3   -7
35 21 Newcastle  2   -6
38 25 Port Clyde  3   -4
37 20 Portland  3   -6

Central Maine

Average daily temperatures in December
High °F Low °F Place High °C Low °C
34 19 Augusta  1   -7
34 16 Bangor  1   -9
31 12 Dover-Foxcroft -1 -11
27 11 Flagstaff Lake, Long Falls Dam -3 -12
33 16 Grand Lake Stream  1   -9
33 17 Lewiston  1   -8
29 10 Lower Richardson Lake, Middle Dam -1 -12
28   9 Rangeley -2 -13
34 16 Waterville  1   -9

Northern Maine

December temperatures: daily averages
High °F Low °F Place High °C Low °C
28 11 Chesuncook Lake, Ripogenus Dam -2 -12
25   6 Fort Kent -4 -14
30 13 Millinocket -1 -11
28 11 Moosehead Lake, Brassua Dam -2 -12
28 12 Presque Isle -2 -11
Reference

National Climatic Data Center. NOAA's 1981-2010 Climate Normals.

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