Average Annual Precipitation for Massachusetts





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

Each place has a total for the amount of precipitation it usually receives in a year. 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 annual 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 yearly precipitation
Days Place Inches Milli­metres
127 Chatham 45.9 1167
128 Edgartown 47.7 1212
113 Hyannis 45.7 1160
141 Nantucket 40.9 1038
137 Vineyard Haven, Martha's Vineyard 42.1 1070

Eastern Massachusetts

Annual averages for rainfall plus snowfall
Days Place Inches Milli­metres
128 Boston 43.6 1107
133 Brockton 50.2 1276
124 East Wareham 51.1 1299
143 Great Blue Hill, Milton 53.3 1353
131 Haverhill 49.6 1259
137 Hingham 52.3 1329
115 Marblehead 48.0 1220
124 New Bedford 52.2 1326
128 Newburyport 49.8 1264
140 Plymouth 52.8 1340
115 Taunton 48.8 1239

Central Massachusetts

Average amount of rain and snow a year
Days Place Inches Milli­metres
125 Amherst 46.6 1183
141 Barre Falls Reservoir Dam 47.7 1212
130 Buffumville Lake 48.9 1241
139 East Brimfield Lake 48.6 1235
127 Lowell 48.5 1232
133 Tully Lake 47.5 1205
137 Westfield 45.2 1147
138 Worcester 48.3 1226

Western Massachusetts

Average annual precipitation
Days Place Inches Milli­metres
153 North Adams 42.3 1074
161 Pittsfield 44.2 1123
158 Worthington 54.1 1374
Reference

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

Massachusetts Precipitation
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