Average Temperatures for Massachusetts in December





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

You can jump to a separate table for each region of the state: Cape Cod and Islands, Eastern , Central and Western Massachusetts.

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

Cape Cod and Islands

Average December temperatures
High °F Low °F Place High °C Low °C
44 31 Chatham 7 0
46 31 Edgartown 8 0
44 29 Hyannis 7 -2
45 32 Nantucket 7 0
45 29 Vineyard Haven, Martha's Vineyard 7 -2

Eastern Massachusetts

Average daily temperatures in December
High °F Low °F Place High °C Low °C
42 29 Boston 6 -2
44 26 Brockton 7 -3
44 27 East Wareham 7 -3
40 26 Great Blue Hill, Milton 4 -4
40 22 Haverhill 5 -5
43 27 Hingham 6 -3
42 24 Marblehead 5 -4
43 28 New Bedford 6 -2
46 28 Plymouth 8 -2
43 26 Taunton 6 -4

Central Massachusetts

December temperatures: daily averages
High °F Low °F Place High °C Low °C
39 21 Amherst 4 -6
40 19 Barre Falls Reservoir Dam 4 -7
39 21 Buffumville Lake 4 -6
39 23 East Brimfield Lake 4 -5
40 22 Lowell 4 -6
38 22 Tully Lake 4 -6
40 22 Westfield 4 -6
38 23 Worcester 3 -5

Western Massachusetts

Average December temperatures
High °F Low °F Place High °C Low °C
36 19 Lenox Dale 2 -7
38 22 North Adams 3 -6
36 21 Pittsfield 2 -6
36 19 Worthington 2 -7
Reference

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

Massachusetts Temperatures
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