How many chill hours does 81655 get?

81655 averages 1149 chill hours per winter, ranging from 828 to 1472 across the last 10 years.

What hardiness zone is 81655?

81655 is in USDA hardiness zone 6a.

Location almanac

The short answer

81655 averages 1,149 chill hours per winter (828–1,472 across 10 years) in USDA zone 6a.

81655 climate
Average chill hours	1,149 (828–1,472 across 10 winters)
USDA hardiness zone	6a
Last spring frost	typically May 21 – June 2
First fall frost	typically September 21 – October 23

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 81655’s chill hours and zone:

Chill and zone requirements are comfortably met in 81655.

Show 126 more good fit varieties

How many chill hours does 81655 get?: 81655 averages 1149 chill hours per winter, ranging from 828 to 1472 across the last 10 years.
What hardiness zone is 81655?: 81655 is in USDA hardiness zone 6a.

Growing fruit trees in 81655? 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