How many chill hours does 95457 get?

95457 averages 1872 chill hours per winter, ranging from 1678 to 2144 across the last 10 years.

What hardiness zone is 95457?

95457 is in USDA hardiness zone 9a.

Location almanac

The short answer

95457 averages 1,872 chill hours per winter (1,678–2,144 across 10 years) in USDA zone 9a.

95457 climate
Average chill hours	1,872 (1,678–2,144 across 10 winters)
USDA hardiness zone	9a
Last spring frost	typically February 3 – April 7
First fall frost	typically November 14 – December 7

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 95457’s chill hours and zone:

Chill and zone requirements are comfortably met in 95457.

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How many chill hours does 95457 get?: 95457 averages 1872 chill hours per winter, ranging from 1678 to 2144 across the last 10 years.
What hardiness zone is 95457?: 95457 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