How many chill hours does 95258 get?

95258 averages 978 chill hours per winter, ranging from 778 to 1425 across the last 10 years.

What hardiness zone is 95258?

95258 is in USDA hardiness zone 9b.

Location almanac

The short answer

95258 averages 978 chill hours per winter (778–1,425 across 10 years) in USDA zone 9b.

95258 climate
Average chill hours	978 (778–1,425 across 10 winters)
USDA hardiness zone	9b
Last spring frost	typically January 8 – February 26
First fall frost	typically November 20 – December 19

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 95258’s chill hours and zone:

Chill and zone requirements are comfortably met in 95258.

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How many chill hours does 95258 get?: 95258 averages 978 chill hours per winter, ranging from 778 to 1425 across the last 10 years.
What hardiness zone is 95258?: 95258 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