Average Precipitation for Maryland in October

The tables below give monthly averages for rainfall plus snowfall during October at cities, communities and other locations around Maryland.

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 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: Eastern Shore, Central Maryland and Western Maryland.

Eastern Shore

Average monthly precipitation in October
Days Place Inches Milli­metres
8 Assateague Island 3.9 100
8 Chestertown 3.7 93
11 Ocean City 4.0 103
9 Royal Oak 4.4 111
9 Salisbury 3.9 100
9 Snow Hill 4.1 103

Central Maryland

October averages for total rainfall plus snowfall
Days Place Inches Milli­metres
9 Baltimore 3.9 100
9 Beltsville 4.0 103
11 Catoctin Mountain Park 4.1 104
6 Frederick 3.3 83
9 Laurel 4.4 112
8 Mechanicsville 4.2 106
9 Patuxent River 4.0 102
8 Rockville 3.5 89

Western Maryland

Average amount of rain and snow in October
Days Place Inches Milli­metres
9 Cumberland 2.8 72
11 Frostburg 3.3 83
9 Hagerstown 2.8 70
13 Oakland 3.6 92
9 Savage River Reservoir Dam 2.9 74
Reference

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

Maryland Precipitation
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