Average Annual Precipitation for Massachusetts





The tables below give yearly averages for rainfall plus snowfall at cities, towns and parks in Massachusetts.

Each place has a total for the amount of precipitation it usually receives in a year. Most locations also have information on the number of days with wet weather. That includes the days when precipitation amounts to 0.01 inches (0.25 millimetres) or more.

The annual precipitation totals are averages based on weather data collected from 1981 to 2010 for the NOAA National Climatic Data Center.

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
125 Chatham 47.0 1195
126 Edgartown, Martha's Vineyard 46.9 1192
101 Hyannis 43.3 1100
Nantucket 44.4 1128
Vineyard Haven, Martha's Vineyard 45.2 1147

Eastern Massachusetts

Annual averages for rainfall plus snowfall
Days Place Inches Milli­metres
126 Boston 43.8 1112
126 Brockton 49.9 1267
124 East Wareham 50.3 1278
136 Great Blue Hill, Milton 53.4 1357
131 Haverhill 50.0 1269
134 Hingham 52.2 1327
117 Marblehead 48.3 1226
128 New Bedford 51.9 1319
128 Newburyport 49.8 1265
138 Plymouth 52.3 1328
112 Taunton 48.8 1239

Central Massachusetts

Average amount of rain and snow a year
Days Place Inches Milli­metres
124 Amherst 46.0 1169
138 Barre Falls Reservoir Dam 46.9 1191
126 Buffumville Lake 48.7 1236
134 East Brimfield Lake 47.7 1211
119 Lowell 47.0 1194
133 Tully Lake 46.7 1187
139 Worcester 48.1 1221

Western Massachusetts

Average annual precipitation
Days Place Inches Milli­metres
140 Great Barrington 48.6 1235
120 Knightville Reservoir Dam 49.3 1253
125 Lanesboro 46.2 1173
131 West Otis 47.7 1212
155 Worthington 53.0 1345
Reference

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

Massachusetts Precipitation
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