Average Temperatures for Maryland in May

Average temperatures for May at cities, communities and other locations around Maryland are listed below in degrees Fahrenheit and Celsius.

You can jump to a separate table for each region of the state: Eastern Shore, Central Maryland and Western Maryland.

The tables give the normals for maximum and minimum temperatures based on weather data collected from 1991 to 2020 by the US National Centers for Environmental Information.

Eastern Shore

Average May temperatures
High °F Low °F Place High °C Low °C
72 54 Assateague Island 22 12
74 55 Chestertown 23 13
70 53 Ocean City 21 12
75 56 Royal Oak 24 13
77 55 Salisbury 25 13
78 56 Snow Hill 25 13

Central Maryland

Average daily temperatures in May
High °F Low °F Place High °C Low °C
73 53 Aberdeen 23 12
77 57 Annapolis 25 14
76 53 Baltimore 24 12
74 54 Beltsville 23 12
73 52 Catoctin Mountain Park 23 11
77 55 Frederick 25 13
76 55 Laurel 24 13
74 52 Mechanicsville 23 11
75 57 Patuxent River 24 14
74 55 Rockville 24 13

Western Maryland

May temperatures: daily averages
High °F Low °F Place High °C Low °C
75 51 Cumberland 24 11
68 47 Frostburg 20 8
74 55 Hagerstown 24 13
70 48 Oakland 21 9
69 47 Savage River Reservoir Dam 21 8
Reference

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

Maryland Temperatures
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