How many chill hours does 95020 get?

95020 averages 951 chill hours per winter, ranging from 572 to 1380 across the last 10 years.

What hardiness zone is 95020?

95020 is in USDA hardiness zone 9b.

Location almanac

The short answer

95020 averages 951 chill hours per winter (572–1,380 across 10 years) in USDA zone 9b.

95020 climate
Average chill hours	951 (572–1,380 across 10 winters)
USDA hardiness zone	9b
Last spring frost	typically January 12 – March 5
First fall frost	typically November 29 – December 22

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 95020’s chill hours and zone:

Chill and zone requirements are comfortably met in 95020.

Show 87 more good fit varieties

How many chill hours does 95020 get?: 95020 averages 951 chill hours per winter, ranging from 572 to 1380 across the last 10 years.
What hardiness zone is 95020?: 95020 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