Value Anomaly Rank Mean

County Average Temperature Anomaly (1901-2000 mean)

April - June 1964

-9°F-7°F-5°F-3°F-1°F1°F3°F5°F7°F9°F

Maryland (Hover over a County)

Temp Average Temperature : --

Anomaly: --

Rank: -- Coldest

Mean: --

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*Signifies a tie

**Insufficient variability in the data record renders rank insignificant

April - June 1964 Maryland County Average Temperature

County	Value	Anomaly	Rank 131 Years	1901-2000 Mean
Allegany County	60.0°F	0.1°F	54	59.9°F
Anne Arundel County	63.5°F	0.2°F	54	63.3°F
Baltimore County	61.3°F	0.1°F	53	61.2°F
Calvert County	63.6°F	0.3°F	66	63.3°F
Caroline County	62.6°F	0.2°F	55	62.4°F
Carroll County	60.3°F	0.1°F	54	60.1°F
Cecil County	61.3°F	-0.1°F	45	61.4°F
Charles County	63.9°F	0.3°F	64	63.6°F
Dorchester County	63.4°F	0.2°F	57	63.1°F
Frederick County	61.2°F	0.3°F	62	60.9°F
Garrett County	55.8°F	0.3°F	57	55.5°F
Harford County	61.6°F	0.0°F	57	61.6°F
Howard County	61.3°F	0.2°F	55	61.1°F
Kent County	62.5°F	0.0°F	51	62.5°F
Montgomery County	62.0°F	0.4°F	71	61.6°F
Prince George's County	63.2°F	0.2°F	58	63.0°F
Queen Anne's County	62.6°F	0.0°F	50	62.6°F
St. Mary's County	64.0°F	0.4°F	68	63.5°F
Somerset County	63.3°F	0.1°F	56	63.1°F
Talbot County	63.6°F	0.4°F	71	63.2°F
Washington County	61.3°F	0.6°F	77	60.7°F
Wicomico County	62.8°F	0.2°F	55	62.6°F
Worcester County	62.4°F	0.3°F	64	62.0°F
Baltimore City	62.9°F	0.1°F	54	62.8°F
Washington, DC	63.7°F	0.5°F	73	63.2°F

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: County Mapping, published July 2025, retrieved on August 2, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping