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.

The tables give the normals for maximum and minimum yearly temperatures based on weather data collected from 1981 to 2010.

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

Coastal Connecticut

Average annual temperatures
High °F	Low °F	Place	High °C	Low °C
60	45	Bridgeport	16	7
60	44	Groton	16	7
61	44	New Haven	16	7
59	42	New London	15	6
61	40	Norwich	16	5
63	41	Stamford	17	5

Average temperatures for the year
High °F	Low °F	Place	High °C	Low °C
60	38	Burlington	16	4
61	41	Danbury	16	5
61	40	Hartford	16	5
60	36	Mansfield Hollow Lake	16	2
61	42	Middletown	16	6
54	36	Norfolk	12	2
59	36	West Thompson Lake	15	2

Average Weather

Connecticut Temperatures