Average Last Frost Dates for Connecticut

About Last Frost Dates in Connecticut

Last Frost Dates were calculated using daily climate data from the period between 1991-2020.

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Interactive Map of Average Last Frost Dates for Connecticut

Click on the map for more information. Click on the icon in the lower right to view the map legend. Add additional data layers using the icon in the upper right corner.

List of Average Last Frost Dates for Locations in Connecticut

LocationAverage Last Frost Dates
AnsoniaApril 21 - 30
AvonApril 21 - 30
Beacon FallsApril 21 - 30
BethanyApril 21 - 30
BloomfieldMay 1 - 10
BridgeportApril 11 - 20
BristolMay 1 - 10
BrookfieldMay 1 - 10
BurlingtonMay 1 - 10
CanterburyMay 1 - 10
ColumbiaMay 1 - 10
CromwellMay 1 - 10
DanburyMay 1 - 10
East GranbyMay 1 - 10
East HaddamMay 1 - 10
East HartfordApril 21 - 30
East HavenApril 11 - 20
EastonMay 1 - 10
EllingtonMay 1 - 10
FairfieldApril 21 - 30
FarmingtonApril 21 - 30
HaddamApril 21 - 30
HamdenApril 21 - 30
HartfordApril 21 - 30
HebronMay 1 - 10
KillingworthApril 21 - 30
LebanonMay 1 - 10
ManchesterMay 1 - 10
MarlboroughMay 1 - 10
MeridenApril 21 - 30
MiddleburyMay 11 - 20
MiddletownApril 21 - 30
MilfordApril 11 - 20
MonroeApril 21 - 30
NaugatuckApril 21 - 30
New BritainMay 1 - 10
New FairfieldMay 11 - 20
New HavenApril 11 - 20
New LondonApril 21 - 30
NewingtonApril 21 - 30
North BranfordApril 21 - 30
North HavenApril 11 - 20
North StoningtonMay 1 - 10
NorwalkApril 21 - 30
NorwichApril 21 - 30
Old LymeApril 21 - 30
OxfordApril 21 - 30
PlainvilleApril 21 - 30
PlymouthMay 11 - 20
ProspectMay 1 - 10
Rocky HillApril 21 - 30
SeymourApril 21 - 30
SheltonApril 11 - 20
South WindsorApril 21 - 30
SouthburyApril 21 - 30
SouthingtonMay 1 - 10
StaffordMay 1 - 10
StamfordApril 11 - 20
StorrsMay 1 - 10
StratfordApril 11 - 20
ThompsonMay 1 - 10
TollandMay 1 - 10
TorringtonMay 1 - 10
VernonMay 1 - 10
WaterburyMay 1 - 10
West HartfordMay 1 - 10
West HavenApril 11 - 20
WethersfieldApril 21 - 30
WillimanticApril 21 - 30
WiltonMay 1 - 10
WindhamMay 1 - 10
WindsorMay 1 - 10
WolcottMay 11 - 20
WoodbridgeApril 21 - 30
WoodstockMay 1 - 10

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