How many chill hours does 81503 get?

81503 averages 1657 chill hours per winter, ranging from 1349 to 1821 across the last 10 years.

What hardiness zone is 81503?

81503 is in USDA hardiness zone 7a.

Location almanac

The short answer

81503 averages 1,657 chill hours per winter (1,349–1,821 across 10 years) in USDA zone 7a.

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 81503’s chill hours and zone:

Chill and zone requirements are comfortably met in 81503.

Show 131 more good fit varieties

How many chill hours does 81503 get?: 81503 averages 1657 chill hours per winter, ranging from 1349 to 1821 across the last 10 years.
What hardiness zone is 81503?: 81503 is in USDA hardiness zone 7a.

Growing fruit trees in 81503? Get a care calendar anchored to this exact climate, with email reminders.

[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