How many chill hours does 59433 get?

59433 averages 1640 chill hours per winter, ranging from 1331 to 1834 across the last 10 years.

What hardiness zone is 59433?

59433 is in USDA hardiness zone 4a.

Location almanac

The short answer

59433 averages 1,640 chill hours per winter (1,331–1,834 across 10 years) in USDA zone 4a.

59433 climate
Average chill hours	1,640 (1,331–1,834 across 10 winters)
USDA hardiness zone	4a
Last spring frost	typically April 19 – May 22
First fall frost	typically September 30 – October 24

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 59433’s chill hours and zone:

Chill and zone requirements are comfortably met in 59433.

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How many chill hours does 59433 get?: 59433 averages 1640 chill hours per winter, ranging from 1331 to 1834 across the last 10 years.
What hardiness zone is 59433?: 59433 is in USDA hardiness zone 4a.

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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