How many chill hours does 71933 get?

71933 averages 1092 chill hours per winter, ranging from 828 to 1468 across the last 10 years.

What hardiness zone is 71933?

71933 is in USDA hardiness zone 8a.

Location almanac

The short answer

71933 averages 1,092 chill hours per winter (828–1,468 across 10 years) in USDA zone 8a.

71933 climate
Average chill hours	1,092 (828–1,468 across 10 winters)
USDA hardiness zone	8a
Last spring frost	typically February 26 – March 20
First fall frost	typically November 1 – December 1

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 71933’s chill hours and zone:

Chill and zone requirements are comfortably met in 71933.

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How many chill hours does 71933 get?: 71933 averages 1092 chill hours per winter, ranging from 828 to 1468 across the last 10 years.
What hardiness zone is 71933?: 71933 is in USDA hardiness zone 8a.

Growing fruit trees in 71933? 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