How many chill hours does 80480 get?

80480 averages 1031 chill hours per winter, ranging from 776 to 1336 across the last 10 years.

What hardiness zone is 80480?

80480 is in USDA hardiness zone 4b.

Location almanac

The short answer

80480 averages 1,031 chill hours per winter (776–1,336 across 10 years) in USDA zone 4b.

80480 climate
Average chill hours	1,031 (776–1,336 across 10 winters)
USDA hardiness zone	4b
Last spring frost	typically May 20 – June 2
First fall frost	typically September 11 – October 7

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 80480’s chill hours and zone:

Chill and zone requirements are comfortably met in 80480.

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How many chill hours does 80480 get?: 80480 averages 1031 chill hours per winter, ranging from 776 to 1336 across the last 10 years.
What hardiness zone is 80480?: 80480 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