How many chill hours does 98133 get?

98133 averages 2527 chill hours per winter, ranging from 2292 to 2842 across the last 10 years.

What hardiness zone is 98133?

98133 is in USDA hardiness zone 9a.

Location almanac

The short answer

98133 averages 2,527 chill hours per winter (2,292–2,842 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 98133’s chill hours and zone:

Chill and zone requirements are comfortably met in 98133.

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How many chill hours does 98133 get?: 98133 averages 2527 chill hours per winter, ranging from 2292 to 2842 across the last 10 years.
What hardiness zone is 98133?: 98133 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