Value Anomaly Rank Mean

County Average Temperature

March - May 1951

0°F10°F20°F30°F40°F50°F60°F70°F80°F90°F

Maryland (Hover over a County)

Temp Average Temperature : --

Anomaly: --

Rank: -- Coldest

Mean: --

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**Insufficient variability in the data record renders rank insignificant

March - May 1951 Maryland County Average Temperature

County	Value	Anomaly	Rank 131 Years	1901-2000 Mean
Allegany County	49.9°F	-0.4°F	48	50.4°F
Anne Arundel County	53.3°F	-0.6°F	46	53.8°F
Baltimore County	51.6°F	0.0°F	54	51.6°F
Calvert County	53.3°F	-0.7°F	44	54.0°F
Caroline County	52.5°F	-0.5°F	44	53.0°F
Carroll County	50.8°F	0.2°F	66	50.6°F
Cecil County	51.6°F	-0.1°F	55	51.7°F
Charles County	53.5°F	-0.9°F	37	54.4°F
Dorchester County	53.0°F	-0.8°F	42	53.8°F
Frederick County	51.0°F	-0.3°F	53	51.3°F
Garrett County	46.0°F	-0.2°F	54	46.2°F
Harford County	51.7°F	-0.1°F	56	51.8°F
Howard County	51.4°F	-0.3°F	53	51.7°F
Kent County	52.7°F	-0.2°F	53	52.9°F
Montgomery County	51.8°F	-0.5°F	50	52.3°F
Prince George's County	53.2°F	-0.6°F	46	53.8°F
Queen Anne's County	52.8°F	-0.3°F	50	53.1°F
St. Mary's County	53.6°F	-0.7°F	45	54.3°F
Somerset County	53.7°F	-0.3°F	51	54.0°F
Talbot County	53.3°F	-0.5°F	48	53.8°F
Washington County	50.6°F	-0.5°F	47	51.1°F
Wicomico County	53.3°F	-0.1°F	53	53.4°F
Worcester County	53.1°F	0.0°F	59	53.0°F
Baltimore City	53.1°F	-0.1°F	55	53.2°F
Washington, DC	53.5°F	-0.5°F	51	54.0°F

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: County Mapping, published August 2025, retrieved on August 13, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping