Value Anomaly Rank Mean

County Average Temperature

October - December 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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October - December 1966 Connecticut County Average Temperature

County	Value	Anomaly	Rank 130 Years	1901-2000 Mean
Fairfield County	42.1°F	0.7°F	72	41.4°F
Hartford County	40.9°F	0.8°F	76	40.1°F
Litchfield County	38.7°F	0.8°F	75	37.9°F
Middlesex County	41.5°F	0.2°F	60	41.2°F
New Haven County	41.5°F	0.3°F	68	41.2°F
New London County	41.9°F	0.5°F	71	41.3°F
Tolland County	40.0°F	0.6°F	72	39.4°F
Windham County	40.5°F	0.8°F	75	39.7°F

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: County Mapping, published July 2025, retrieved on August 3, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping