Skip to content
EveryOrchard
Menu

Location almanac

Chill hours in J1A

The short answer

J1A averages 1,201 chill hours per winter (9581,710 across 10 years) in USDA zone 5a.
J1A climate
Average chill hours1,201 (958–1,710 across 10 winters)
USDA hardiness zone5a (NRCan zone 4b)
Last spring frosttypically April 28 – May 18
First fall frosttypically October 16 – October 28

Computed from 10 winters of ERA5 hourly temperature (Open-Meteo, 2015–2025); zones from USDA PHZM 2023 / NRCan 1981–2010. Data updated July 3, 2026. See methodology.

Every variety in our database, checked against J1A’s chill hours and zone:

Good fit (152)

Chill and zone requirements are comfortably met in J1A.

Good fit varieties for this location
VarietyFruit
Acey MacApple
AkaneApple
AnnaApple
Arkansas BlackApple
BraeburnApple
CameoApple
CandyCrispApple
CortlandApple
Cox's Orange PippinApple
CrimsonCrispApple
Dorsett GoldenApple
EarligoldApple
EmpireApple
FortuneApple
FujiApple
GalaApple
Ginger GoldApple
GoldRushApple
Golden DeliciousApple
Golden SupremeApple
Granny SmithApple
GravensteinApple
HoneycrispApple
IdaredApple
JonagoldApple
JonamacApple
JonathanApple
LibertyApple
LodiApple
McIntoshApple
Show 122 more good fit varieties
How many chill hours does J1A get?
J1A averages 1201 chill hours per winter, ranging from 958 to 1710 across the last 10 years.
What hardiness zone is J1A?
J1A is in USDA hardiness zone 5a.

Growing fruit trees in J1A? Get a care calendar anchored to this exact climate, with email reminders.

Start My Orchard

Sources

  1. [1] Open-Meteo / Copernicus ERA5. Historical Weather API (hourly 2m temperature) — accessed July 2026
  2. [2] Natural Resources Canada. Plant Hardiness Zones of Canada — accessed July 2026