Value Anomaly Rank Mean

County Average Temperature

March - May 1999

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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**Insufficient variability in the data record renders rank insignificant

March - May 1999 Connecticut County Average Temperature

County	Value	Anomaly	Rank 131 Years	1901-2000 Mean
Fairfield County	48.6°F	1.4°F	93	47.2°F
Hartford County	48.5°F	1.8°F	103	46.7°F
Litchfield County	45.6°F	1.3°F	89	44.4°F
Middlesex County	48.9°F	2.2°F	113	46.6°F
New Haven County	48.6°F	1.9°F	108	46.7°F
New London County	48.8°F	2.6°F	116	46.2°F
Tolland County	47.5°F	1.8°F	105	45.7°F
Windham County	47.7°F	2.0°F	107	45.7°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