How many chill hours does 59633 get?

59633 averages 1358 chill hours per winter, ranging from 778 to 1684 across the last 10 years.

What hardiness zone is 59633?

59633 is in USDA hardiness zone 4b.

Location almanac

The short answer

59633 averages 1,358 chill hours per winter (778–1,684 across 10 years) in USDA zone 4b.

59633 climate
Average chill hours	1,358 (778–1,684 across 10 winters)
USDA hardiness zone	4b
Last spring frost	typically May 10 – June 1
First fall frost	typically September 14 – October 11

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 59633’s chill hours and zone:

Chill and zone requirements are comfortably met in 59633.

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How many chill hours does 59633 get?: 59633 averages 1358 chill hours per winter, ranging from 778 to 1684 across the last 10 years.
What hardiness zone is 59633?: 59633 is in USDA hardiness zone 4b.

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[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