How many chill hours does 98366 get?

98366 averages 2472 chill hours per winter, ranging from 2279 to 2816 across the last 10 years.

What hardiness zone is 98366?

98366 is in USDA hardiness zone 9a.

Location almanac

The short answer

98366 averages 2,472 chill hours per winter (2,279–2,816 across 10 years) in USDA zone 9a.

98366 climate
Average chill hours	2,472 (2,279–2,816 across 10 winters)
USDA hardiness zone	9a
Last spring frost	typically January 6 – April 4
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 98366’s chill hours and zone:

Chill and zone requirements are comfortably met in 98366.

Show 87 more good fit varieties

How many chill hours does 98366 get?: 98366 averages 2472 chill hours per winter, ranging from 2279 to 2816 across the last 10 years.
What hardiness zone is 98366?: 98366 is in USDA hardiness zone 9a.

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[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