Average Rainfall for Massachusetts in August





The tables below give monthly averages for rainfall during August 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 rainfall 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 August
Days Place Inches Milli­metres
8 Chatham 3.2 81
9 Edgartown 3.7 94
8 Hyannis 3.2 82
13 Nantucket 3.0 76
13 Vineyard Haven, Martha's Vineyard 3.4 86

Eastern Massachusetts

August averages for total rainfall
Days Place Inches Milli­metres
9 Boston 3.2 82
9 Brockton 3.6 91
9 East Wareham 3.6 91
10 Great Blue Hill, Milton 3.9 98
9 Haverhill 3.8 96
9 Hingham 3.8 97
8 Marblehead 3.3 83
9 New Bedford 4.1 103
9 Newburyport 3.5 89
11 Plymouth 3.6 92
9 Taunton 3.6 92

Central Massachusetts

Average amount of rain in August
Days Place Inches Milli­metres
10 Amherst 4.1 105
11 Barre Falls Reservoir Dam 4.5 115
11 Buffumville Lake 4.2 106
12 East Brimfield Lake 4.4 112
10 Lowell 4.0 102
11 Tully Lake 4.3 108
13 Westfield 3.7 94
10 Worcester 4.1 105

Western Massachusetts

Precipitation totals for August
Days Place Inches Milli­metres
14 North Adams 4.5 114
15 Pittsfield 3.8 97
11 Worthington 4.5 113
Reference

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

Massachusetts Precipitation
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