How many chill hours does 81141 get?

81141 averages 1281 chill hours per winter, ranging from 1136 to 1501 across the last 10 years.

What hardiness zone is 81141?

81141 is in USDA hardiness zone 5a.

Location almanac

The short answer

81141 averages 1,281 chill hours per winter (1,136–1,501 across 10 years) in USDA zone 5a.

81141 climate
Average chill hours	1,281 (1,136–1,501 across 10 winters)
USDA hardiness zone	5a
Last spring frost	typically May 12 – May 31
First fall frost	typically September 25 – October 22

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 81141’s chill hours and zone:

Chill and zone requirements are comfortably met in 81141.

Show 122 more good fit varieties

How many chill hours does 81141 get?: 81141 averages 1281 chill hours per winter, ranging from 1136 to 1501 across the last 10 years.
What hardiness zone is 81141?: 81141 is in USDA hardiness zone 5a.

Growing fruit trees in 81141? 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