How many chill hours does 82638 get?

82638 averages 1179 chill hours per winter, ranging from 628 to 1513 across the last 10 years.

What hardiness zone is 82638?

82638 is in USDA hardiness zone 5a.

Location almanac

The short answer

82638 averages 1,179 chill hours per winter (628–1,513 across 10 years) in USDA zone 5a.

82638 climate
Average chill hours	1,179 (628–1,513 across 10 winters)
USDA hardiness zone	5a
Last spring frost	typically April 28 – May 25
First fall frost	typically September 28 – October 19

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 82638’s chill hours and zone:

Chill and zone requirements are comfortably met in 82638.

Show 122 more good fit varieties

How many chill hours does 82638 get?: 82638 averages 1179 chill hours per winter, ranging from 628 to 1513 across the last 10 years.
What hardiness zone is 82638?: 82638 is in USDA hardiness zone 5a.

Growing fruit trees in 82638? 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