Value Anomaly Rank Mean

County Average Temperature

March - May 2023

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

Maryland (Hover over a County)

Temp Average Temperature : 54.7°F

Anomaly: 2.4°F

Rank: 20th Warmest

Mean: 52.3°F

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*Signifies a tie

**Insufficient variability in the data record renders rank insignificant

March - May 2023 Maryland County Average Temperature

County	Value	Anomaly	Rank 131 Years	1901-2000 Mean
Allegany County	51.3°F	1.0°F	87	50.4°F
Anne Arundel County	56.4°F	2.6°F	115	53.8°F
Baltimore County	54.5°F	2.9°F	115	51.6°F
Calvert County	56.3°F	2.3°F	111	54.0°F
Caroline County	55.4°F	2.4°F	111	53.0°F
Carroll County	53.0°F	2.4°F	113	50.6°F
Cecil County	54.1°F	2.4°F	112	51.7°F
Charles County	56.9°F	2.5°F	113	54.4°F
Dorchester County	56.7°F	2.9°F	115	53.8°F
Frederick County	53.5°F	2.2°F	109	51.3°F
Garrett County	47.6°F	1.4°F	97	46.2°F
Harford County	54.1°F	2.3°F	109	51.8°F
Howard County	54.5°F	2.8°F	115	51.7°F
Kent County	55.0°F	2.1°F	108	52.9°F
Montgomery County	54.8°F	2.5°F	115	52.3°F
Prince George's County	55.8°F	2.0°F	110	53.8°F
Queen Anne's County	55.3°F	2.2°F	110	53.1°F
St. Mary's County	56.8°F	2.5°F	113	54.3°F
Somerset County	57.2°F	3.2°F	119	54.0°F
Talbot County	55.8°F	2.0°F	105	53.8°F
Washington County	52.7°F	1.7°F	102	51.1°F
Wicomico County	56.5°F	3.1°F	116	53.4°F
Worcester County	56.3°F	3.2°F	118	53.0°F
Baltimore City	56.7°F	3.6°F	122	53.2°F
Washington, DC	55.9°F	1.9°F	107	54.0°F

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: County Mapping, published July 2025, retrieved on August 4, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping