How many chill hours does 95620 get?

95620 averages 931 chill hours per winter, ranging from 731 to 1404 across the last 10 years.

What hardiness zone is 95620?

95620 is in USDA hardiness zone 9b.

Location almanac

The short answer

95620 averages 931 chill hours per winter (731–1,404 across 10 years) in USDA zone 9b.

95620 climate
Average chill hours	931 (731–1,404 across 10 winters)
USDA hardiness zone	9b
Last spring frost	typically January 3 – February 20
First fall frost	typically November 21 – 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 95620’s chill hours and zone:

Chill and zone requirements are comfortably met in 95620.

Show 87 more good fit varieties

How many chill hours does 95620 get?: 95620 averages 931 chill hours per winter, ranging from 731 to 1404 across the last 10 years.
What hardiness zone is 95620?: 95620 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