Average Rainfall for Maine in August





The tables below give monthly averages for rainfall during August at cities, towns and lakes in Maine.

Each place has a total for the amount of precipitation it usually receives this month along with information on the number of days with wet weather. The count of days includes those 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 Maine's Coast, Central Maine and Northern Maine.

Maine Coast

Average monthly precipitation in August
Days Place Inches Milli­metres
9 Acadia National Park 3.5 88
8 Belfast 3.1 78
8 Brunswick 3.3 83
10 Eastport 3.2 82
8 Jonesboro 3.6 91
10 Kennebunkport 3.9 99
10 Newcastle 3.4 85
9 Portland 3.6 91
10 Tenants Harbor 2.9 72

Central Maine

August averages for total rainfall
Days Place Inches Milli­metres
11 Augusta 3.4 87
10 Bangor 3.1 78
12 Dover-Foxcroft 3.7 93
12 Flagstaff Lake, Long Falls Dam 3.6 91
9 Grand Lake Stream 2.8 70
10 Lewiston 3.4 85
13 Lower Richardson Lake, Middle Dam 3.8 97
13 Rangeley 4.1 103
11 Rumford 4.8 121
11 Waterville 3.4 86

Northern Maine

Average amount of rain in August
Days Place Inches Milli­metres
13 Fort Kent 3.7 95
11 Millinocket 4.1 105
13 Moosehead Lake, Brassua Dam 3.8 97
12 Presque Isle 3.8 97
Reference

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

Maine Precipitation
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