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Chill hours in 66522

The short answer

66522 averages 1,392 chill hours per winter (1,1851,709 across 10 years) in USDA zone 6a.
66522 climate
Average chill hours1,392 (1,185–1,709 across 10 winters)
USDA hardiness zone6a
Last spring frosttypically March 27 – April 22
First fall frosttypically October 18 – November 21

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

Every variety in our database, checked against 66522’s chill hours and zone:

Good fit (156)

Chill and zone requirements are comfortably met in 66522.

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 126 more good fit varieties
How many chill hours does 66522 get?
66522 averages 1392 chill hours per winter, ranging from 1185 to 1709 across the last 10 years.
What hardiness zone is 66522?
66522 is in USDA hardiness zone 6a.

Growing fruit trees in 66522? Get a care calendar anchored to this exact climate, with email reminders.

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Sources

  1. [1] Open-Meteo / Copernicus ERA5. Historical Weather API (hourly 2m temperature) — accessed July 2026
  2. [2] USDA / PRISM (Oregon State University). 2023 USDA Plant Hardiness Zone Map — accessed July 2026