How many chill hours does 71663 get?

71663 averages 838 chill hours per winter, ranging from 541 to 1040 across the last 10 years.

What hardiness zone is 71663?

71663 is in USDA hardiness zone 8b.

Location almanac

The short answer

71663 averages 838 chill hours per winter (541–1,040 across 10 years) in USDA zone 8b.

71663 climate
Average chill hours	838 (541–1,040 across 10 winters)
USDA hardiness zone	8b
Last spring frost	typically February 10 – March 13
First fall frost	typically November 14 – December 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 71663’s chill hours and zone:

Chill and zone requirements are comfortably met in 71663.

Show 123 more good fit varieties

Possible in a good year or a favorable microclimate — click through for the caveats.

How many chill hours does 71663 get?: 71663 averages 838 chill hours per winter, ranging from 541 to 1040 across the last 10 years.
What hardiness zone is 71663?: 71663 is in USDA hardiness zone 8b.

Growing fruit trees in 71663? 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