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Chill hours in 57269

The short answer

57269 averages 1,152 chill hours per winter (7551,399 across 10 years) in USDA zone 4b.
57269 climate
Average chill hours1,152 (755–1,399 across 10 winters)
USDA hardiness zone4b
Last spring frosttypically April 21 – May 7
First fall frosttypically October 7 – November 13

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 57269’s chill hours and zone:

How many chill hours does 57269 get?
57269 averages 1152 chill hours per winter, ranging from 755 to 1399 across the last 10 years.
What hardiness zone is 57269?
57269 is in USDA hardiness zone 4b.

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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