How many chill hours does 95404 get?

95404 averages 1483 chill hours per winter, ranging from 1228 to 2028 across the last 10 years.

What hardiness zone is 95404?

95404 is in USDA hardiness zone 9b.

Location almanac

The short answer

95404 averages 1,483 chill hours per winter (1,228–2,028 across 10 years) in USDA zone 9b.

95404 climate
Average chill hours	1,483 (1,228–2,028 across 10 winters)
USDA hardiness zone	9b
Last spring frost	typically February 22 – April 7
First fall frost	typically November 26 – December 10

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 95404’s chill hours and zone:

Chill and zone requirements are comfortably met in 95404.

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How many chill hours does 95404 get?: 95404 averages 1483 chill hours per winter, ranging from 1228 to 2028 across the last 10 years.
What hardiness zone is 95404?: 95404 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