How many chill hours does 95043 get?

95043 averages 1459 chill hours per winter, ranging from 1168 to 1880 across the last 10 years.

What hardiness zone is 95043?

95043 is in USDA hardiness zone 9a.

Location almanac

The short answer

95043 averages 1,459 chill hours per winter (1,168–1,880 across 10 years) in USDA zone 9a.

95043 climate
Average chill hours	1,459 (1,168–1,880 across 10 winters)
USDA hardiness zone	9a
Last spring frost	typically February 3 – April 13
First fall frost	typically November 10 – December 8

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 95043’s chill hours and zone:

Chill and zone requirements are comfortably met in 95043.

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How many chill hours does 95043 get?: 95043 averages 1459 chill hours per winter, ranging from 1168 to 1880 across the last 10 years.
What hardiness zone is 95043?: 95043 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