How many chill hours does 95642 get?

95642 averages 1235 chill hours per winter, ranging from 1074 to 1678 across the last 10 years.

What hardiness zone is 95642?

95642 is in USDA hardiness zone 9b.

Location almanac

The short answer

95642 averages 1,235 chill hours per winter (1,074–1,678 across 10 years) in USDA zone 9b.

95642 climate
Average chill hours	1,235 (1,074–1,678 across 10 winters)
USDA hardiness zone	9b
Last spring frost	typically January 12 – March 11
First fall frost	typically November 26 – December 28

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 95642’s chill hours and zone:

Chill and zone requirements are comfortably met in 95642.

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How many chill hours does 95642 get?: 95642 averages 1235 chill hours per winter, ranging from 1074 to 1678 across the last 10 years.
What hardiness zone is 95642?: 95642 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