Connecticut Interactive Heat Zones Map

Zone 1
< 1 days > 86°F
Zone 2
1 - 7 days > 86°F

To assist Connecticut gardeners, Plantmaps has derived zones indicating the average number of days each year that an area experiences temperatures over 86 degrees F. These zones are derived from the historical climate data from the National Weather Service.

Heat Zone Maps for Neighboring States and Provinces

  • Massachusetts Interactive Heat Zones Map
  • New York Interactive Heat Zones Map
  • Rhode Island Interactive Heat Zones Map

Related Connecticut Maps:

  • Connecticut 1990 USDA Hardiness Zone Map
  • Connecticut 2012 USDA Hardiness Zone Map
  • Connecticut First Frost Date Map
  • Connecticut Last Frost Date Map
  • Map of Connecticut Record High/Low Temperatures
  • Connecticut Interactive Drought Monitor Map
  • Connecticut Drought Index Map
  • Connecticut Ecoregions

Heat Zones for Cities and Towns in Connecticut

LocationHeat Zone
AbingtonHeat Zone 1
< 1 days > 86°F
AmstonHeat Zone 1
< 1 days > 86°F
AndoverHeat Zone 1
< 1 days > 86°F
AnsoniaHeat Zone 1
< 1 days > 86°F
AshfordHeat Zone 1
< 1 days > 86°F
AvonHeat Zone 1
< 1 days > 86°F
BallouvilleHeat Zone 1
< 1 days > 86°F
BalticHeat Zone 1
< 1 days > 86°F
BantamHeat Zone 1
< 1 days > 86°F
BarkhamstedHeat Zone 1
< 1 days > 86°F
Beacon FallsHeat Zone 1
< 1 days > 86°F
BethanyHeat Zone 1
< 1 days > 86°F
BethelHeat Zone 1
< 1 days > 86°F
BethlehemHeat Zone 1
< 1 days > 86°F
Bethlehem VillageHeat Zone 1
< 1 days > 86°F
BloomfieldHeat Zone 1
< 1 days > 86°F
Blue HillsHeat Zone 1
< 1 days > 86°F
BoltonHeat Zone 1
< 1 days > 86°F
BotsfordHeat Zone 1
< 1 days > 86°F
BozrahHeat Zone 1
< 1 days > 86°F
BranfordHeat Zone 1
< 1 days > 86°F
Branford CenterHeat Zone 1
< 1 days > 86°F
BridgeportHeat Zone 1
< 1 days > 86°F
BridgewaterHeat Zone 1
< 1 days > 86°F
BristolHeat Zone 1
< 1 days > 86°F
Broad BrookHeat Zone 2
1 - 7 days > 86°F
BrookfieldHeat Zone 1
< 1 days > 86°F
BrooklynHeat Zone 1
< 1 days > 86°F
BurlingtonHeat Zone 1
< 1 days > 86°F
ByramHeat Zone 1
< 1 days > 86°F
CanaanHeat Zone 1
< 1 days > 86°F
CannondaleHeat Zone 1
< 1 days > 86°F
CanterburyHeat Zone 1
< 1 days > 86°F
CantonHeat Zone 1
< 1 days > 86°F
Canton CenterHeat Zone 1
< 1 days > 86°F
Canton ValleyHeat Zone 1
< 1 days > 86°F
CenterbrookHeat Zone 1
< 1 days > 86°F
Central ManchesterHeat Zone 1
< 1 days > 86°F
Central SomersHeat Zone 1
< 1 days > 86°F
Central VillageHeat Zone 1
< 1 days > 86°F
Central WaterfordHeat Zone 1
< 1 days > 86°F
ChaplinHeat Zone 1
< 1 days > 86°F
CheshireHeat Zone 1
< 1 days > 86°F
Cheshire VillageHeat Zone 1
< 1 days > 86°F
ChesterHeat Zone 1
< 1 days > 86°F
Chester CenterHeat Zone 1
< 1 days > 86°F
ClintonHeat Zone 1
< 1 days > 86°F
CobaltHeat Zone 1
< 1 days > 86°F
ColchesterHeat Zone 1
< 1 days > 86°F
ColebrookHeat Zone 1
< 1 days > 86°F
CollinsvilleHeat Zone 1
< 1 days > 86°F
ColumbiaHeat Zone 1
< 1 days > 86°F
Conning Towers-Nautilus ParkHeat Zone 1
< 1 days > 86°F
CornwallHeat Zone 1
< 1 days > 86°F
Cornwall BridgeHeat Zone 1
< 1 days > 86°F
Cos CobHeat Zone 1
< 1 days > 86°F
CoventryHeat Zone 1
< 1 days > 86°F
Coventry LakeHeat Zone 1
< 1 days > 86°F
CromwellHeat Zone 1
< 1 days > 86°F
Crystal LakeHeat Zone 1
< 1 days > 86°F
DanburyHeat Zone 1
< 1 days > 86°F
DanielsonHeat Zone 1
< 1 days > 86°F
DarienHeat Zone 1
< 1 days > 86°F
DayvilleHeat Zone 1
< 1 days > 86°F
Deep RiverHeat Zone 1
< 1 days > 86°F
Deep River CenterHeat Zone 1
< 1 days > 86°F
DerbyHeat Zone 1
< 1 days > 86°F
DurhamHeat Zone 1
< 1 days > 86°F
East BerlinHeat Zone 1
< 1 days > 86°F
East BrooklynHeat Zone 1
< 1 days > 86°F
East CanaanHeat Zone 1
< 1 days > 86°F
East GlastonburyHeat Zone 1
< 1 days > 86°F
East GranbyHeat Zone 2
1 - 7 days > 86°F
East HaddamHeat Zone 1
< 1 days > 86°F
East HamptonHeat Zone 1
< 1 days > 86°F
East HartfordHeat Zone 1
< 1 days > 86°F
East HartlandHeat Zone 1
< 1 days > 86°F
East HavenHeat Zone 1
< 1 days > 86°F
East KillinglyHeat Zone 1
< 1 days > 86°F
East LymeHeat Zone 1
< 1 days > 86°F
East NorwalkHeat Zone 1
< 1 days > 86°F
East WindsorHeat Zone 2
1 - 7 days > 86°F
East Windsor HillHeat Zone 2
1 - 7 days > 86°F
East WoodstockHeat Zone 1
< 1 days > 86°F
EastfordHeat Zone 1
< 1 days > 86°F
EastonHeat Zone 1
< 1 days > 86°F
EllingtonHeat Zone 1
< 1 days > 86°F
EnfieldHeat Zone 2
1 - 7 days > 86°F
EssexHeat Zone 1
< 1 days > 86°F
Essex VillageHeat Zone 1
< 1 days > 86°F
FabyanHeat Zone 1
< 1 days > 86°F
FairfieldHeat Zone 1
< 1 days > 86°F
Falls VillageHeat Zone 1
< 1 days > 86°F
FarmingtonHeat Zone 1
< 1 days > 86°F
FenwickHeat Zone 1
< 1 days > 86°F
Gales FerryHeat Zone 1
< 1 days > 86°F
GaylordsvilleHeat Zone 1
< 1 days > 86°F
GeorgetownHeat Zone 1
< 1 days > 86°F
GilmanHeat Zone 1
< 1 days > 86°F
GlasgoHeat Zone 1
< 1 days > 86°F
GlastonburyHeat Zone 1
< 1 days > 86°F
Glastonbury CenterHeat Zone 1
< 1 days > 86°F
GlenvilleHeat Zone 1
< 1 days > 86°F
GoshenHeat Zone 1
< 1 days > 86°F
GranbyHeat Zone 2
1 - 7 days > 86°F
Greens FarmsHeat Zone 1
< 1 days > 86°F
GreenwichHeat Zone 1
< 1 days > 86°F
Grosvenor DaleHeat Zone 1
< 1 days > 86°F
GrotonHeat Zone 1
< 1 days > 86°F
Groton Long PointHeat Zone 1
< 1 days > 86°F
GuilfordHeat Zone 1
< 1 days > 86°F
Guilford CenterHeat Zone 1
< 1 days > 86°F
HaddamHeat Zone 1
< 1 days > 86°F
HadlymeHeat Zone 1
< 1 days > 86°F
HamdenHeat Zone 1
< 1 days > 86°F
HamptonHeat Zone 1
< 1 days > 86°F
HanoverHeat Zone 1
< 1 days > 86°F
HartfordHeat Zone 1
< 1 days > 86°F
HarwintonHeat Zone 1
< 1 days > 86°F
HawleyvilleHeat Zone 1
< 1 days > 86°F
HazardvilleHeat Zone 1
< 1 days > 86°F
HebronHeat Zone 1
< 1 days > 86°F
Heritage VillageHeat Zone 1
< 1 days > 86°F
HigganumHeat Zone 1
< 1 days > 86°F
IvorytonHeat Zone 1
< 1 days > 86°F
Jewett CityHeat Zone 1
< 1 days > 86°F
KensingtonHeat Zone 1
< 1 days > 86°F
KentHeat Zone 1
< 1 days > 86°F
Killingly CenterHeat Zone 1
< 1 days > 86°F
KillingworthHeat Zone 1
< 1 days > 86°F
Lake PocotopaugHeat Zone 1
< 1 days > 86°F
LakesideHeat Zone 1
< 1 days > 86°F
LakevilleHeat Zone 1
< 1 days > 86°F
LebanonHeat Zone 1
< 1 days > 86°F
LedyardHeat Zone 1
< 1 days > 86°F
LisbonHeat Zone 1
< 1 days > 86°F
LitchfieldHeat Zone 1
< 1 days > 86°F
Long HillHeat Zone 1
< 1 days > 86°F
MadisonHeat Zone 1
< 1 days > 86°F
Madison CenterHeat Zone 1
< 1 days > 86°F
ManchesterHeat Zone 1
< 1 days > 86°F
Mansfield CenterHeat Zone 1
< 1 days > 86°F
Mansfield CityHeat Zone 1
< 1 days > 86°F
Mansfield DepotHeat Zone 1
< 1 days > 86°F
MarionHeat Zone 1
< 1 days > 86°F
MarlboroughHeat Zone 1
< 1 days > 86°F
MashantucketHeat Zone 1
< 1 days > 86°F
MelroseHeat Zone 1
< 1 days > 86°F
MeridenHeat Zone 1
< 1 days > 86°F
Middle HaddamHeat Zone 1
< 1 days > 86°F
MiddleburyHeat Zone 1
< 1 days > 86°F
MiddlefieldHeat Zone 1
< 1 days > 86°F
MiddletownHeat Zone 1
< 1 days > 86°F
MilfordHeat Zone 1
< 1 days > 86°F
MilldaleHeat Zone 1
< 1 days > 86°F
Mohawk Mountain Ski AreaHeat Zone 1
< 1 days > 86°F
MonroeHeat Zone 1
< 1 days > 86°F
MontvilleHeat Zone 1
< 1 days > 86°F
MoodusHeat Zone 1
< 1 days > 86°F
MoosupHeat Zone 1
< 1 days > 86°F
MorrisHeat Zone 1
< 1 days > 86°F
MysticHeat Zone 1
< 1 days > 86°F
NaugatuckHeat Zone 1
< 1 days > 86°F
New BritainHeat Zone 1
< 1 days > 86°F
New CanaanHeat Zone 2
1 - 7 days > 86°F
New FairfieldHeat Zone 1
< 1 days > 86°F
New HartfordHeat Zone 1
< 1 days > 86°F
New Hartford CenterHeat Zone 1
< 1 days > 86°F
New HavenHeat Zone 1
< 1 days > 86°F
New LondonHeat Zone 1
< 1 days > 86°F
New MilfordHeat Zone 1
< 1 days > 86°F
New PrestonHeat Zone 1
< 1 days > 86°F
NewingtonHeat Zone 1
< 1 days > 86°F
NewtownHeat Zone 1
< 1 days > 86°F
NianticHeat Zone 1
< 1 days > 86°F
NoankHeat Zone 1
< 1 days > 86°F
NorfolkHeat Zone 1
< 1 days > 86°F
North BranfordHeat Zone 1
< 1 days > 86°F
North CantonHeat Zone 1
< 1 days > 86°F
North FranklinHeat Zone 1
< 1 days > 86°F
North GranbyHeat Zone 1
< 1 days > 86°F
North Grosvenor DaleHeat Zone 1
< 1 days > 86°F
North HavenHeat Zone 1
< 1 days > 86°F
North StamfordHeat Zone 2
1 - 7 days > 86°F
North StoningtonHeat Zone 1
< 1 days > 86°F
North WestchesterHeat Zone 1
< 1 days > 86°F
North WindhamHeat Zone 1
< 1 days > 86°F
NorthfieldHeat Zone 1
< 1 days > 86°F
NorthfordHeat Zone 1
< 1 days > 86°F
Northwest HarwintonHeat Zone 1
< 1 days > 86°F
NorwalkHeat Zone 1
< 1 days > 86°F
NorwichHeat Zone 1
< 1 days > 86°F
OakdaleHeat Zone 1
< 1 days > 86°F
OakvilleHeat Zone 1
< 1 days > 86°F
Old GreenwichHeat Zone 1
< 1 days > 86°F
Old LymeHeat Zone 1
< 1 days > 86°F
Old MysticHeat Zone 1
< 1 days > 86°F
Old SaybrookHeat Zone 1
< 1 days > 86°F
Old Saybrook CenterHeat Zone 1
< 1 days > 86°F
OnecoHeat Zone 1
< 1 days > 86°F
OrangeHeat Zone 1
< 1 days > 86°F
OxfordHeat Zone 1
< 1 days > 86°F
Oxoboxo RiverHeat Zone 1
< 1 days > 86°F
PawcatuckHeat Zone 1
< 1 days > 86°F
PemberwickHeat Zone 1
< 1 days > 86°F
PequabuckHeat Zone 1
< 1 days > 86°F
Pine MeadowHeat Zone 1
< 1 days > 86°F
PlainfieldHeat Zone 1
< 1 days > 86°F
Plainfield VillageHeat Zone 1
< 1 days > 86°F
PlainvilleHeat Zone 1
< 1 days > 86°F
PlantsvilleHeat Zone 1
< 1 days > 86°F
Pleasant ValleyHeat Zone 1
< 1 days > 86°F
PlymouthHeat Zone 1
< 1 days > 86°F
PomfretHeat Zone 1
< 1 days > 86°F
Pomfret CenterHeat Zone 1
< 1 days > 86°F
PoquonockHeat Zone 2
1 - 7 days > 86°F
Poquonock BridgeHeat Zone 1
< 1 days > 86°F
PortlandHeat Zone 1
< 1 days > 86°F
Powder Ridge Ski ResortHeat Zone 1
< 1 days > 86°F
PrestonHeat Zone 1
< 1 days > 86°F
ProspectHeat Zone 1
< 1 days > 86°F
PutnamHeat Zone 1
< 1 days > 86°F
Quaker HillHeat Zone 1
< 1 days > 86°F
QuinebaugHeat Zone 1
< 1 days > 86°F
ReddingHeat Zone 1
< 1 days > 86°F
Redding RidgeHeat Zone 1
< 1 days > 86°F
RidgefieldHeat Zone 2
1 - 7 days > 86°F
RiversideHeat Zone 1
< 1 days > 86°F
RivertonHeat Zone 1
< 1 days > 86°F
RockfallHeat Zone 1
< 1 days > 86°F
RockvilleHeat Zone 1
< 1 days > 86°F
Rocky HillHeat Zone 1
< 1 days > 86°F
RogersHeat Zone 1
< 1 days > 86°F
RoxburyHeat Zone 1
< 1 days > 86°F
SalemHeat Zone 1
< 1 days > 86°F
SalisburyHeat Zone 1
< 1 days > 86°F
Salmon BrookHeat Zone 2
1 - 7 days > 86°F
Sandy HookHeat Zone 1
< 1 days > 86°F
Saybrook ManorHeat Zone 1
< 1 days > 86°F
ScotlandHeat Zone 1
< 1 days > 86°F
SeymourHeat Zone 1
< 1 days > 86°F
SharonHeat Zone 1
< 1 days > 86°F
SheltonHeat Zone 1
< 1 days > 86°F
ShermanHeat Zone 1
< 1 days > 86°F
Sherwood ManorHeat Zone 1
< 1 days > 86°F
SimsburyHeat Zone 1
< 1 days > 86°F
Simsbury CenterHeat Zone 1
< 1 days > 86°F
Ski Sundown Ski AreaHeat Zone 1
< 1 days > 86°F
SomersHeat Zone 1
< 1 days > 86°F
SomersvilleHeat Zone 1
< 1 days > 86°F
South BritainHeat Zone 1
< 1 days > 86°F
South CoventryHeat Zone 1
< 1 days > 86°F
South GlastonburyHeat Zone 1
< 1 days > 86°F
South KentHeat Zone 1
< 1 days > 86°F
South LymeHeat Zone 1
< 1 days > 86°F
South WillingtonHeat Zone 1
< 1 days > 86°F
South WindhamHeat Zone 1
< 1 days > 86°F
South WindsorHeat Zone 1
< 1 days > 86°F
South WoodstockHeat Zone 1
< 1 days > 86°F
SouthburyHeat Zone 1
< 1 days > 86°F
SouthingtonHeat Zone 1
< 1 days > 86°F
SouthportHeat Zone 1
< 1 days > 86°F
Southwood AcresHeat Zone 1
< 1 days > 86°F
StaffordHeat Zone 1
< 1 days > 86°F
Stafford SpringsHeat Zone 1
< 1 days > 86°F
StaffordvilleHeat Zone 1
< 1 days > 86°F
StamfordHeat Zone 2
1 - 7 days > 86°F
SterlingHeat Zone 1
< 1 days > 86°F
StevensonHeat Zone 1
< 1 days > 86°F
StoningtonHeat Zone 1
< 1 days > 86°F
StorrsHeat Zone 1
< 1 days > 86°F
StratfordHeat Zone 1
< 1 days > 86°F
SuffieldHeat Zone 2
1 - 7 days > 86°F
Suffield DepotHeat Zone 2
1 - 7 days > 86°F
TaconicHeat Zone 1
< 1 days > 86°F
TaftvilleHeat Zone 1
< 1 days > 86°F
TariffvilleHeat Zone 2
1 - 7 days > 86°F
TerramuggusHeat Zone 1
< 1 days > 86°F
TerryvilleHeat Zone 1
< 1 days > 86°F
ThomastonHeat Zone 1
< 1 days > 86°F
ThompsonHeat Zone 1
< 1 days > 86°F
ThompsonvilleHeat Zone 1
< 1 days > 86°F
TollandHeat Zone 1
< 1 days > 86°F
TorringtonHeat Zone 1
< 1 days > 86°F
TrumbullHeat Zone 1
< 1 days > 86°F
UncasvilleHeat Zone 1
< 1 days > 86°F
UnionvilleHeat Zone 1
< 1 days > 86°F
Vernon RockvilleHeat Zone 1
< 1 days > 86°F
VersaillesHeat Zone 1
< 1 days > 86°F
VoluntownHeat Zone 1
< 1 days > 86°F
WallingfordHeat Zone 1
< 1 days > 86°F
Wallingford CenterHeat Zone 1
< 1 days > 86°F
WashingtonHeat Zone 1
< 1 days > 86°F
Washington DepotHeat Zone 1
< 1 days > 86°F
WaterburyHeat Zone 1
< 1 days > 86°F
WaterfordHeat Zone 1
< 1 days > 86°F
WatertownHeat Zone 1
< 1 days > 86°F
WaureganHeat Zone 1
< 1 days > 86°F
WeatogueHeat Zone 1
< 1 days > 86°F
West CornwallHeat Zone 1
< 1 days > 86°F
West GranbyHeat Zone 1
< 1 days > 86°F
West HartfordHeat Zone 1
< 1 days > 86°F
West HartlandHeat Zone 1
< 1 days > 86°F
West HavenHeat Zone 1
< 1 days > 86°F
West MysticHeat Zone 1
< 1 days > 86°F
West SimsburyHeat Zone 1
< 1 days > 86°F
West SuffieldHeat Zone 2
1 - 7 days > 86°F
West TorringtonHeat Zone 1
< 1 days > 86°F
WestbrookHeat Zone 1
< 1 days > 86°F
Westbrook CenterHeat Zone 1
< 1 days > 86°F
WestonHeat Zone 1
< 1 days > 86°F
WestportHeat Zone 1
< 1 days > 86°F
WethersfieldHeat Zone 1
< 1 days > 86°F
WillimanticHeat Zone 1
< 1 days > 86°F
Willington HillHeat Zone 1
< 1 days > 86°F
WiltonHeat Zone 1
< 1 days > 86°F
Winchester CenterHeat Zone 1
< 1 days > 86°F
WindhamHeat Zone 1
< 1 days > 86°F
WindsorHeat Zone 2
1 - 7 days > 86°F
Windsor LocksHeat Zone 2
1 - 7 days > 86°F
WinstedHeat Zone 1
< 1 days > 86°F
WolcottHeat Zone 1
< 1 days > 86°F
WoodbridgeHeat Zone 1
< 1 days > 86°F
WoodburyHeat Zone 1
< 1 days > 86°F
Woodbury CenterHeat Zone 1
< 1 days > 86°F
Woodbury Ski AreaHeat Zone 1
< 1 days > 86°F
WoodmontHeat Zone 1
< 1 days > 86°F
WoodstockHeat Zone 1
< 1 days > 86°F
Woodstock ValleyHeat Zone 1
< 1 days > 86°F
YanticHeat Zone 1
< 1 days > 86°F
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