ValueRankAnomalyMean

County Average Temperature

October - December 1987

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

Connecticut (Hover over a County)

TempAverage Temperature: 40.6°F

Rank: 62nd Warmest

Anomaly: 0.5°F

Mean: 40.1°F

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October - December 1987 Connecticut County Average Temperature

County	Value	Rank 130 Years	Anomaly	1901-2000 Mean
Fairfield County	41.8°F	63	0.4°F	41.4°F
Hartford County	40.5°F	69	0.4°F	40.1°F
Litchfield County	38.3°F	69	0.4°F	37.9°F
Middlesex County	41.8°F	70	0.5°F	41.2°F
New Haven County	41.8°F	73	0.7°F	41.2°F
New London County	41.8°F	68	0.5°F	41.3°F
Tolland County	39.9°F	71	0.5°F	39.4°F
Windham County	40.0°F	64	0.3°F	39.7°F

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: County Mapping, published July 2025, retrieved on July 16, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping