How many chill hours does 95427 get?

95427 averages 1363 chill hours per winter, ranging from 879 to 1816 across the last 10 years.

What hardiness zone is 95427?

95427 is in USDA hardiness zone 9b.

Location almanac

The short answer

95427 averages 1,363 chill hours per winter (879–1,816 across 10 years) in USDA zone 9b.

95427 climate
Average chill hours	1,363 (879–1,816 across 10 winters)
USDA hardiness zone	9b
Last spring frost	typically March 6 – April 15
First fall frost	typically November 10 – December 4

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 95427’s chill hours and zone:

Chill and zone requirements are comfortably met in 95427.

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How many chill hours does 95427 get?: 95427 averages 1363 chill hours per winter, ranging from 879 to 1816 across the last 10 years.
What hardiness zone is 95427?: 95427 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