Value Anomaly Rank Mean

County Average Temperature Anomaly (1901-2000 mean)

November 2014 - October 2019

-9°F-7°F-5°F-3°F-1°F1°F3°F5°F7°F9°F

Connecticut (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

November 2014 - October 2019 Connecticut County Average Temperature

County	Value	Anomaly	Rank 125 Years	1901-2000 Mean
Fairfield County	52.2°F	3.0°F	120	49.2°F
Hartford County	50.8°F	2.4°F	117	48.3°F
Litchfield County	48.5°F	2.5°F	117	46.0°F
Middlesex County	51.6°F	2.8°F	121	48.8°F
New Haven County	51.8°F	2.9°F	123	48.9°F
New London County	51.5°F	2.9°F	120	48.6°F
Tolland County	50.0°F	2.6°F	120	47.4°F
Windham County	50.1°F	2.6°F	119	47.5°F

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: County Mapping, published July 2025, retrieved on July 31, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping