How many chill hours does 98027 get?

98027 averages 2536 chill hours per winter, ranging from 2167 to 2865 across the last 10 years.

What hardiness zone is 98027?

98027 is in USDA hardiness zone 8b.

Location almanac

The short answer

98027 averages 2,536 chill hours per winter (2,167–2,865 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 98027’s chill hours and zone:

Chill and zone requirements are comfortably met in 98027.

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How many chill hours does 98027 get?: 98027 averages 2536 chill hours per winter, ranging from 2167 to 2865 across the last 10 years.
What hardiness zone is 98027?: 98027 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