Connecticut Climate

How Connecticut's latest month ranks since 1895, the normals at its main weather stations, and the climate page for every town.

How Connecticut is running

NOAA NCEI Climate at a Glance, from the nClimGrid analysis of every station, updated early each month. A rank of 1 is the highest or lowest of all years since 1895.

August 2026 in Connecticut: 71.6°F (+1.0 °F against 1991-2020), the 18th warmest in 132 years on record.

August 2026 in Connecticut: 4.93 in (+0.76 in against 1991-2020), the 44th wettest in 132 years on record.

January to August 2026 in Connecticut: 51.1°F (-0.0 °F against 1991-2020), the 26th warmest in 132 years on record.

January to August 2026 in Connecticut: 28.86 in (-2.46 in against 1991-2020), the 43rd driest in 132 years on record.

Warmest August: 74.5°F in 2022
Coolest August: 62.6°F in 1903
Wettest August: 15.01 in in 1955
Driest August: 1.09 in in 1981

Every year since 1895

Main weather stations

Annual 1991-2020 normals at the first-order (airport and Weather Service) stations; freeze dates are the median for 32°F.

Station	Avg high	Avg low	Precipitation	Snowfall	Last freeze	First freeze
Bridgeport Sikorsky Mem AP	61.1°F	45.7°F	44.09 in	33.6 in	April 5	November 6
Danbury Muni AP	59.8°F	39.5°F	48.03 in		May 1	October 14
Groton New London AP	59.4°F	43.5°F	39.31 in		April 16	October 28
Hartford Bradley Intl AP	61.1°F	40.9°F	47.05 in	51.7 in	April 21	October 16
Hartford Brainard Fld	61.3°F	42.7°F	42.83 in		April 17	October 26
Meriden Markham Muni AP	61.0°F	40.4°F	44.86 in		April 26	October 16
New Haven Tweed AP	60.5°F	43.6°F	41.79 in		April 17	October 27
Willimantic Windham AP	60.2°F	39.6°F	43.25 in		April 28	October 13

Frost dates at every station in Connecticut

Counties

Towns

Sources

Rankings: NOAA NCEI Climate at a Glance. Normals: NOAA NCEI U.S. Climate Normals, 1991-2020. Both public domain.