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Chill hours in 59353

The short answer

59353 averages 1,270 chill hours per winter (7201,467 across 10 years) in USDA zone 4a.
59353 climate
Average chill hours1,270 (720–1,467 across 10 winters)
USDA hardiness zone4a
Last spring frosttypically April 27 – May 19
First fall frosttypically September 28 – October 28

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 59353’s chill hours and zone:

How many chill hours does 59353 get?
59353 averages 1270 chill hours per winter, ranging from 720 to 1467 across the last 10 years.
What hardiness zone is 59353?
59353 is in USDA hardiness zone 4a.

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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