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

Inland Connecticut

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
Reference

National Climatic Data Center. NOAA's 1981-2010 Climate Normals.

Connecticut Temperatures
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