Average Snowfall for Massachusetts in December





The tables below give monthly averages for snowfall during December at cities, communities and other locations around Massachusetts. The numbers are for the total amount of new snow and how many days it snows at least 0.1 inches (0.25 centimetres) this month.

The snowfall totals are averages based on weather data collected from 1991 to 2020 for the US National Centers for Environmental Information.

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

Cape Cod and Islands

Average total snowfall in December
Days Place Inches Centi­metres
1.5 Chatham 2.6 6.6
1.4 Edgartown 3.4 8.6
0.9 Hyannis 2.1 5.3

Eastern Massachusetts

December snowfall averages
Days Place Inches Centi­metres
4.2 Boston 9.0 22.9
1.4 Brockton 4.5 11.4
2.3 East Wareham 6.3 16.0
5.1 Great Blue Hill, Milton 12.8 32.5
4.0 Haverhill 10.8 27.4
4.7 Hingham 8.8 22.4
2.1 Marblehead 7.4 18.8
2.2 New Bedford 4.4 11.2
4.5 Newburyport 11.1 28.2
2.3 Plymouth 6.7 17.0
1.3 Taunton 3.7 9.4

Central Massachusetts

Average snow for December
Days Place Inches Centi­metres
3.7 Amherst 7.5 19.1
4.9 Barre Falls Reservoir Dam 13.1 33.3
3.2 Buffumville Lake 7.1 18.0
4.7 East Brimfield Lake 13.8 35.1
4.4 Tully Lake 11.8 30.0
5.6 Worcester 14.9 37.8

Western Massachusetts

December snowfall averages
Days Place Inches Centi­metres
10.3 Worthington 16.7 42.4
Reference

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

Massachusetts Snowfall
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