How many chill hours does 98571 get?

98571 averages 1924 chill hours per winter, ranging from 1657 to 2357 across the last 10 years.

What hardiness zone is 98571?

98571 is in USDA hardiness zone 9a.

Location almanac

The short answer

98571 averages 1,924 chill hours per winter (1,657–2,357 across 10 years) in USDA zone 9a.

98571 climate
Average chill hours	1,924 (1,657–2,357 across 10 winters)
USDA hardiness zone	9a
Last spring frost	typically January 3 – March 16
First fall frost	typically November 28 – December 25

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 98571’s chill hours and zone:

Chill and zone requirements are comfortably met in 98571.

Show 87 more good fit varieties

How many chill hours does 98571 get?: 98571 averages 1924 chill hours per winter, ranging from 1657 to 2357 across the last 10 years.
What hardiness zone is 98571?: 98571 is in USDA hardiness zone 9a.

Growing fruit trees in 98571? 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