Average Precipitation for Maryland in January

The tables below give monthly averages for rainfall plus snowfall during January 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 January
Days Place Inches Milli­metres
10 Assateague Island 3.4 86
10 Chestertown 3.3 85
11 Ocean City 3.4 86
10 Royal Oak 3.5 89
11 Salisbury 3.6 91
10 Snow Hill 3.5 88

Central Maryland

January averages for total rainfall plus snowfall
Days Place Inches Milli­metres
10 Baltimore 3.1 78
10 Beltsville 2.9 73
10 Catoctin Mountain Park 3.8 96
8 Frederick 2.6 66
9 Laurel 3.5 88
10 Mechanicsville 3.3 84
10 Patuxent River 2.9 74
10 Rockville 3.1 79

Western Maryland

Average amount of rain and snow in January
Days Place Inches Milli­metres
13 Cumberland 2.8 71
15 Frostburg 3.4 85
10 Hagerstown 2.5 62
17 Oakland 3.9 99
12 Savage River Reservoir Dam 3.0 76
Reference

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

Maryland Precipitation
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