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Chill hours in 57022

The short answer

57022 averages 1,171 chill hours per winter (7711,294 across 10 years) in USDA zone 4b.
57022 climate
Average chill hours1,171 (771–1,294 across 10 winters)
USDA hardiness zone4b
Last spring frosttypically April 22 – April 28
First fall frosttypically October 10 – November 7

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 57022’s chill hours and zone:

How many chill hours does 57022 get?
57022 averages 1171 chill hours per winter, ranging from 771 to 1294 across the last 10 years.
What hardiness zone is 57022?
57022 is in USDA hardiness zone 4b.

Growing fruit trees in 57022? 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