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.

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

Related Pages

List of Average Last Frost Dates for Locations in Connecticut

LocationAverage Last Frost Dates
AnsoniaApr. 21 - Apr. 30
AvonMay 1 - May 10
Beacon FallsMay 1 - May 10
BethanyMay 1 - May 10
BloomfieldMay 11 - May 20
BridgeportApr. 21 - Apr. 30
BristolMay 11 - May 20
BrookfieldMay 11 - May 20
BurlingtonMay 11 - May 20
CanterburyMay 11 - May 20
ColumbiaMay 11 - May 20
CromwellMay 1 - May 10
DanburyMay 11 - May 20
East GranbyMay 11 - May 20
East HaddamMay 1 - May 10
East HartfordMay 1 - May 10
East HavenApr. 21 - Apr. 30
EastonMay 1 - May 10
EllingtonMay 11 - May 20
FairfieldApr. 21 - Apr. 30
FarmingtonMay 11 - May 20
HaddamMay 1 - May 10
HamdenMay 1 - May 10
HartfordMay 11 - May 20
HebronMay 11 - May 20
KillingworthMay 1 - May 10
LebanonMay 11 - May 20
ManchesterMay 11 - May 20
MarlboroughMay 11 - May 20
MeridenMay 1 - May 10
MiddleburyMay 11 - May 20
MiddletownMay 1 - May 10
MilfordApr. 21 - Apr. 30
MonroeMay 1 - May 10
NaugatuckMay 1 - May 10
New BritainMay 11 - May 20
New FairfieldMay 11 - May 20
New HavenApr. 21 - Apr. 30
New LondonMay 1 - May 10
NewingtonMay 1 - May 10
North BranfordApr. 21 - Apr. 30
North HavenApr. 21 - Apr. 30
North StoningtonMay 1 - May 10
NorwalkApr. 21 - Apr. 30
NorwichMay 1 - May 10
Old LymeMay 1 - May 10
OxfordMay 11 - May 20
PlainvilleMay 11 - May 20
PlymouthMay 11 - May 20
ProspectMay 11 - May 20
Rocky HillMay 1 - May 10
SeymourMay 1 - May 10
SheltonApr. 21 - Apr. 30
South WindsorMay 1 - May 10
SouthburyMay 1 - May 10
SouthingtonMay 11 - May 20
StaffordMay 21 - May 31
StamfordApr. 21 - Apr. 30
StorrsMay 11 - May 20
StratfordApr. 21 - Apr. 30
ThompsonMay 21 - May 31
TollandMay 11 - May 20
TorringtonMay 11 - May 20
VernonMay 11 - May 20
WaterburyMay 11 - May 20
West HartfordMay 11 - May 20
West HavenApr. 21 - Apr. 30
WethersfieldMay 1 - May 10
WillimanticMay 1 - May 10
WiltonMay 1 - May 10
WindhamMay 11 - May 20
WindsorMay 11 - May 20
WolcottMay 11 - May 20
WoodbridgeMay 1 - May 10
WoodstockMay 21 - May 31
2024 plantmaps.com