How many chill hours does 98245 get?

98245 averages 2436 chill hours per winter, ranging from 1762 to 2819 across the last 10 years.

What hardiness zone is 98245?

98245 is in USDA hardiness zone 9a.

Location almanac

The short answer

98245 averages 2,436 chill hours per winter (1,762–2,819 across 10 years) in USDA zone 9a.

98245 climate
Average chill hours	2,436 (1,762–2,819 across 10 winters)
USDA hardiness zone	9a
Last spring frost	typically January 3 – March 10
First fall frost	typically November 8 – 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 98245’s chill hours and zone:

Chill and zone requirements are comfortably met in 98245.

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How many chill hours does 98245 get?: 98245 averages 2436 chill hours per winter, ranging from 1762 to 2819 across the last 10 years.
What hardiness zone is 98245?: 98245 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