Average Temperatures in Connecticut

Average Annual Temperatures in Connecticut

Average annual temperatures for cities and towns throughout Connecticut are listed below in degrees Fahrenheit and Celsius.

You can jump to a separate table for places in Coastal Connecticut and Inland Connecticut.

The tables give the normals for maximum and minimum yearly temperatures based on weather data collected from 1991 to 2020 by the US National Centers for Environmental Information.

Coastal Connecticut

Average annual temperatures
High °F	Low °F	Place	High °C	Low °C
61	46	Bridgeport	16	8
60	45	Groton	16	7
61	44	New Haven	16	6
59	44	New London	15	6
61	42	Norwich	16	6
62	43	Stamford	17	6

Inland Connecticut

Average temperatures for the year
High °F	Low °F	Place	High °C	Low °C
61	39	Burlington	16	4
61	42	Danbury	16	6
61	41	Hartford	16	5
55	37	Norfolk	13	3
58	36	Staffordville	14	2
58	36	Torrington	15	2
59	37	West Thompson Lake	15	3

Reference

NOAA National Centers for Environmental Information (NCEI). Climate Normals.

Average Annual Temperatures in Connecticut

Coastal Connecticut

Inland Connecticut

Reference

More Connecticut Weather Information