Value Anomaly Rank Mean

County Average Temperature

March - May 1973

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

Maryland (Hover over a County)

Temp Average Temperature : 53.1°F

Anomaly: 0.8°F

Rank: 50th Warmest

Mean: 52.3°F

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*Signifies a tie

**Insufficient variability in the data record renders rank insignificant

March - May 1973 Maryland County Average Temperature

County	Value	Anomaly	Rank 131 Years	1901-2000 Mean
Allegany County	51.2°F	0.8°F	85	50.4°F
Anne Arundel County	54.5°F	0.6°F	77	53.8°F
Baltimore County	52.3°F	0.7°F	80	51.6°F
Calvert County	54.7°F	0.7°F	78	54.0°F
Caroline County	53.9°F	0.9°F	79	53.0°F
Carroll County	51.3°F	0.7°F	83	50.6°F
Cecil County	52.7°F	1.0°F	84	51.7°F
Charles County	55.0°F	0.5°F	75	54.4°F
Dorchester County	54.9°F	1.1°F	85	53.8°F
Frederick County	51.8°F	0.5°F	77	51.3°F
Garrett County	47.1°F	0.9°F	83	46.2°F
Harford County	52.6°F	0.8°F	84	51.8°F
Howard County	52.3°F	0.6°F	78	51.7°F
Kent County	53.8°F	0.8°F	84	52.9°F
Montgomery County	52.9°F	0.6°F	77	52.3°F
Prince George's County	54.4°F	0.6°F	79	53.8°F
Queen Anne's County	54.0°F	0.8°F	83	53.1°F
St. Mary's County	55.2°F	0.8°F	80	54.3°F
Somerset County	54.8°F	0.8°F	80	54.0°F
Talbot County	54.8°F	1.0°F	85	53.8°F
Washington County	51.7°F	0.7°F	82	51.1°F
Wicomico County	54.4°F	1.0°F	82	53.4°F
Worcester County	54.2°F	1.2°F	86	53.0°F
Baltimore City	54.0°F	0.8°F	79	53.2°F
Washington, DC	54.7°F	0.7°F	79	54.0°F

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: County Mapping, published August 2025, retrieved on September 8, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping