How many chill hours does 64439 get?

64439 averages 1422 chill hours per winter, ranging from 1195 to 1790 across the last 10 years.

What hardiness zone is 64439?

64439 is in USDA hardiness zone 6a.

Location almanac

The short answer

64439 averages 1,422 chill hours per winter (1,195–1,790 across 10 years) in USDA zone 6a.

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 64439’s chill hours and zone:

Chill and zone requirements are comfortably met in 64439.

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How many chill hours does 64439 get?: 64439 averages 1422 chill hours per winter, ranging from 1195 to 1790 across the last 10 years.
What hardiness zone is 64439?: 64439 is in USDA hardiness zone 6a.

Growing fruit trees in 64439? Get a care calendar anchored to this exact climate, with email reminders.

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