How many chill hours does 80237 get?

80237 averages 1312 chill hours per winter, ranging from 1057 to 1555 across the last 10 years.

What hardiness zone is 80237?

80237 is in USDA hardiness zone 6a.

Location almanac

The short answer

80237 averages 1,312 chill hours per winter (1,057–1,555 across 10 years) in USDA zone 6a.

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 80237’s chill hours and zone:

Chill and zone requirements are comfortably met in 80237.

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How many chill hours does 80237 get?: 80237 averages 1312 chill hours per winter, ranging from 1057 to 1555 across the last 10 years.
What hardiness zone is 80237?: 80237 is in USDA hardiness zone 6a.

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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