Average Precipitation for Massachusetts in December





The tables below give monthly averages for rainfall plus snowfall during December at cities, communities and other locations in Massachusetts.

Each place has a total for the amount of precipitation it usually receives this month. There is also a count of the number of days with wet weather, when precipitation amounts to 0.01 inches (0.25 millimetres) or more.

The precipitation 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 , Central and Western Massachusetts.

Cape Cod and Islands

Average monthly precipitation in December
Days Place Inches Milli­metres
13 Chatham 4.7 120
12 Edgartown 4.8 123
12 Hyannis 4.7 119
12 Nantucket 3.9 100
12 Vineyard Haven, Martha's Vineyard 3.8 97

Eastern Massachusetts

December averages for total rainfall plus snowfall
Days Place Inches Milli­metres
12 Boston 4.3 109
12 Brockton 5.1 129
12 East Wareham 5.0 126
13 Great Blue Hill, Milton 5.3 135
12 Haverhill 4.5 115
12 Hingham 5.1 129
10 Marblehead 4.7 119
12 New Bedford 5.2 132
12 Newburyport 4.9 123
12 Plymouth 4.9 125
10 Taunton 4.9 125

Central Massachusetts

Average amount of rain and snow in December
Days Place Inches Milli­metres
11 Amherst 3.9 99
13 Barre Falls Reservoir Dam 4.3 110
11 Buffumville Lake 4.6 116
12 East Brimfield Lake 4.6 116
11 Lowell 4.5 115
11 Tully Lake 4.1 103
11 Westfield 3.6 91
12 Worcester 4.3 109

Western Massachusetts

Precipitation totals for December
Days Place Inches Milli­metres
13 North Adams 3.1 79
13 Pittsfield 3.6 92
14 Worthington 5.2 133
Reference

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

Massachusetts Precipitation
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