How many chill hours does 95403 get?

95403 averages 915 chill hours per winter, ranging from 708 to 1404 across the last 10 years.

What hardiness zone is 95403?

95403 is in USDA hardiness zone 9a.

Location almanac

The short answer

95403 averages 915 chill hours per winter (708–1,404 across 10 years) in USDA zone 9a.

95403 climate
Average chill hours	915 (708–1,404 across 10 winters)
USDA hardiness zone	9a
Last spring frost	typically January 2 – March 1
First fall frost	typically November 28 – December 31

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 95403’s chill hours and zone:

Chill and zone requirements are comfortably met in 95403.

Show 87 more good fit varieties

How many chill hours does 95403 get?: 95403 averages 915 chill hours per winter, ranging from 708 to 1404 across the last 10 years.
What hardiness zone is 95403?: 95403 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