How many chill hours does 98642 get?

98642 averages 2213 chill hours per winter, ranging from 1898 to 2582 across the last 10 years.

What hardiness zone is 98642?

98642 is in USDA hardiness zone 8b.

Location almanac

The short answer

98642 averages 2,213 chill hours per winter (1,898–2,582 across 10 years) in USDA zone 8b.

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 98642’s chill hours and zone:

Chill and zone requirements are comfortably met in 98642.

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How many chill hours does 98642 get?: 98642 averages 2213 chill hours per winter, ranging from 1898 to 2582 across the last 10 years.
What hardiness zone is 98642?: 98642 is in USDA hardiness zone 8b.

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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