How many chill hours does 95066 get?

95066 averages 656 chill hours per winter, ranging from 226 to 1185 across the last 10 years.

What hardiness zone is 95066?

95066 is in USDA hardiness zone 9b.

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The short answer

95066 averages 656 chill hours per winter (226–1,185 across 10 years) in USDA zone 9b.

95066 climate
Average chill hours	656 (226–1,185 across 10 winters)
USDA hardiness zone	9b

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 95066’s chill hours and zone:

Chill and zone requirements are comfortably met in 95066.

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Possible in a good year or a favorable microclimate — click through for the caveats.

Show 2 more marginal varieties

How many chill hours does 95066 get?: 95066 averages 656 chill hours per winter, ranging from 226 to 1185 across the last 10 years.
What hardiness zone is 95066?: 95066 is in USDA hardiness zone 9b.

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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