Average Rainfall for Maryland in August





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

Each place has a total for the amount of precipitation it usually receives this month. Most sites 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 rainfall 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: Eastern Shore, Central Maryland and Western Maryland.

Eastern Shore

Average monthly precipitation in August
Days Place Inches Milli­metres
8 Assateague Island 4.5 113
8 Chestertown 3.3 83
Ocean City 4.7 118
9 Royal Oak 4.3 108
9 Salisbury 4.8 121
9 Snow Hill 4.9 124

Central Maryland

August averages for total rainfall
Days Place Inches Milli­metres
Aberdeen 3.8 96
9 Annapolis 3.9 99
9 Baltimore 3.3 84
9 Beltsville 3.3 83
11 Catoctin Mountain Park 3.9 99
9 College Park 3.6 90
9 Frederick 3.1 78
8 La Plata 4.3 108
8 Rockville 2.9 74

Western Maryland

Average amount of rain in August
Days Place Inches Milli­metres
10 Cumberland 3.2 81
Hagerstown 3.1 80
11 Oakland 3.8 96
10 Savage River Reservoir Dam 3.3 85
Reference

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

Maryland Precipitation
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