How many chill hours does 58632 get?

58632 averages 1313 chill hours per winter, ranging from 823 to 1507 across the last 10 years.

What hardiness zone is 58632?

58632 is in USDA hardiness zone 4b.

Location almanac

The short answer

58632 averages 1,313 chill hours per winter (823–1,507 across 10 years) in USDA zone 4b.

58632 climate
Average chill hours	1,313 (823–1,507 across 10 winters)
USDA hardiness zone	4b
Last spring frost	typically April 28 – May 20
First fall frost	typically 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 58632’s chill hours and zone:

Chill and zone requirements are comfortably met in 58632.

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How many chill hours does 58632 get?: 58632 averages 1313 chill hours per winter, ranging from 823 to 1507 across the last 10 years.
What hardiness zone is 58632?: 58632 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