Value Anomaly Rank Mean

County Average Temperature

March - May 1966

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

Connecticut (Hover over a County)

Temp Average Temperature : --

Anomaly: --

Rank: -- Coldest

Mean: --

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March - May 1966 Connecticut County Average Temperature

County	Value	Anomaly	Rank 131 Years	1901-2000 Mean
Fairfield County	45.2°F	-2.0°F	16	47.2°F
Hartford County	44.9°F	-1.8°F	19	46.7°F
Litchfield County	42.5°F	-1.8°F	19	44.4°F
Middlesex County	44.9°F	-1.7°F	17	46.6°F
New Haven County	44.7°F	-2.0°F	14	46.7°F
New London County	44.8°F	-1.4°F	24	46.2°F
Tolland County	44.1°F	-1.6°F	20	45.7°F
Windham County	44.3°F	-1.4°F	26	45.7°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