Frost Dates
Last spring freeze · first fall freeze · frost-free season, from NOAA 1991–2020 climate normals

Frost dates in Connecticut

6 cities · typical last spring freeze → typical first fall freeze (32°F, median of 1991–2020 normals)

BridgeportApril 5 → November 6StamfordApril 17 → October 23New HavenApril 17 → October 27HartfordApril 17 → October 26WaterburyApril 26 → October 16NorwalkApril 17 → October 23