Frost/Freeze in Connecticut

Events

36

Deaths

0

Injuries

0

Damage

None recorded

• Frost and Freeze in Connecticut, October 3, 20032 eventsA cold area of high pressure built across northwest Connecticut during the early morning hours of October 3.
• Frost and Freeze in Connecticut, May 18, 20032 eventsA large Canadian high pressure system became established over eastern New York and adjacent western New England early on May 18.
• Frost and Freeze in Connecticut, October 6, 20042 eventsA Canadian airmass descended southward, ushering in the first killing frost and freeze of the season, officially ending the growing season in extreme western Connecticut.
• Frost and Freeze in Connecticut, April 15, 20102 eventsMuch above normal temperatures during early April resulted in an early start to the growing season across northwestern Connecticut.
• Frost and Freeze and Strong Wind in Connecticut, April 29, 2010$2,000 · 2 eventsMuch above normal temperatures during early April resulted in an early start to the growing season across northwestern Connecticut.
• Frost and Freeze in Connecticut, April 14, 20102 eventsMuch above normal temperatures during early April resulted in an early start to the growing season across northwestern Connecticut.
• Frost and Freeze in Connecticut, April 28, 20102 eventsMuch above normal temperatures during early April resulted in an early start to the growing season across northwestern Connecticut.
• Frost and Freeze in Connecticut, April 12, 20102 eventsMuch above normal temperatures during early April resulted in an early start to the growing season across northwestern Connecticut.
• Frost and Freeze in Connecticut, May 10 to 11, 20102 eventsAn unseasonably cold air mass produced temperatures in the upper 20s to lower 30s across Litchfield County during the early morning hours of Tuesday, May 11th. The growing season started early after a stretch of unusually warm temperatures during April.
• Frost and Freeze in Connecticut, October 4 to 5, 20192 eventsThe first frost and freeze of the season fell upon the area during the early morning hours of Saturday, October 5th, 2019. Low temperatures ranged from the mid 20s to low 30s.
• Frost and Freeze in Connecticut, May 18, 20232 eventsAn anomalously strong upper low and surface high overhead resulted in a major cold snap across northwestern Connecticut the night of May 17th into the morning of May 18th.
• Frost and Freeze in Connecticut, May 15, 20232 eventsAn anomalously strong cold snap for mid May standards possibly resulted in some crop damage as temperatures overnight Monday morning of May 15th dropped into the 30s across northwestern Connecticut. The coldest locales saw overnight low temperatures fall into the low to mid 30s.
• Frost and Freeze in Connecticut, May 20, 20021 eventA large Canadian high pressure slipped south across eastern New York and adjacent western New England during the pre-dawn hours of May 20. The combination of a clear sky and light wind allowed for excellent radiational cooling across the entire area.
• Frost and Freeze in Connecticut, October 15, 20021 eventA large area of Canadian high pressure built eastward from the Great Lakes to New York and adjacent western New England on the morning of October 16.
• Frost and Freeze in Connecticut, May 5, 20041 event
• Frost and Freeze in Connecticut, May 5, 20051 eventOn May 5, high pressure crested over eastern New York and adjacent western New England justbefore sunrise.
• Frost and Freeze in Connecticut, May 13, 20051 eventEarly on the morning of May 13, high pressure over southeast Quebec Province ridgedsoutheastward into western New England. A clear sky and light wind resulted in strongcooling at the earth's surface.
• Frost and Freeze in Connecticut, October 21, 20051 eventThe core of a deep-layer cold air mass moved through eastern Canada on Oct 20 and 21. A surface ridge of high pressure extended from the center of an anticyclone over the Great Lakes into western New England.
• Frost and Freeze in Connecticut, October 27, 20051 eventOn October 27, the core of a cold air mass was over eastern Canada. High pressure was centered over the northern Mississippi Valley. A northerly breeze brought cold air into the mid Hudson Valley.
• Frost and Freeze in Connecticut, April 29 to 30, 20081 eventThe combination of clear skies, light winds, and an unseasonably cool air mass in place led to a widespread frost and freeze across southern Litchfield County for late Tuesday night on April 29th, into Wednesday morning on April 30th.
• Frost and Freeze in Connecticut, May 1, 20081 eventThe combination of an unseasonably cold air mass, clear skies and light winds led to widespread freezing temperatures, along with frost in southern Litchfield County during the early morning hours of Thursday May 1st.
• Frost and Freeze in Connecticut, June 1, 20091 eventThe combination of an unseasonably cool air mass in place, clear skies and light winds resulted in frost across northern portions of Litchfield County during the early morning hours of Monday June 1st.
• Frost and Freeze in Connecticut, May 19, 20091 eventAn unseasonably cold air mass produced freezing temperatures across northern Litchfield County during the early morning hours of Tuesday May 19th. The growing season already started in this area after a stretch of unusually warm temperatures during April.
• Frost and Freeze in Connecticut, April 24, 20101 eventMuch above normal temperatures during early April resulted in an early start to the growing season across northwest Connecticut.
• Frost and Freeze in Connecticut, October 19, 20191 eventHigh pressure built into the region, allowing for temperatures to radiate into the low 30s and frost to form in southern Litchfield county.

Frost/Freeze everywhereEvery kind of event in Connecticut

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24.