How many chill hours does 82051 get?

82051 averages 1078 chill hours per winter, ranging from 709 to 1623 across the last 10 years.

What hardiness zone is 82051?

82051 is in USDA hardiness zone 4a.

Location almanac

The short answer

82051 averages 1,078 chill hours per winter (709–1,623 across 10 years) in USDA zone 4a.

82051 climate
Average chill hours	1,078 (709–1,623 across 10 winters)
USDA hardiness zone	4a
Last spring frost	typically May 8 – May 30
First fall frost	typically September 21 – October 20

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 82051’s chill hours and zone:

Chill and zone requirements are comfortably met in 82051.

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How many chill hours does 82051 get?: 82051 averages 1078 chill hours per winter, ranging from 709 to 1623 across the last 10 years.
What hardiness zone is 82051?: 82051 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