How many chill hours does 98034 get?

98034 averages 2362 chill hours per winter, ranging from 2177 to 2637 across the last 10 years.

What hardiness zone is 98034?

98034 is in USDA hardiness zone 9a.

Location almanac

The short answer

98034 averages 2,362 chill hours per winter (2,177–2,637 across 10 years) in USDA zone 9a.

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 98034’s chill hours and zone:

Chill and zone requirements are comfortably met in 98034.

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How many chill hours does 98034 get?: 98034 averages 2362 chill hours per winter, ranging from 2177 to 2637 across the last 10 years.
What hardiness zone is 98034?: 98034 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