How many chill hours does 94515 get?

94515 averages 1406 chill hours per winter, ranging from 1183 to 1931 across the last 10 years.

What hardiness zone is 94515?

94515 is in USDA hardiness zone 9b.

Location almanac

The short answer

94515 averages 1,406 chill hours per winter (1,183–1,931 across 10 years) in USDA zone 9b.

94515 climate
Average chill hours	1,406 (1,183–1,931 across 10 winters)
USDA hardiness zone	9b
Last spring frost	typically February 3 – April 5
First fall frost	typically November 25 – December 15

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 94515’s chill hours and zone:

Chill and zone requirements are comfortably met in 94515.

Show 87 more good fit varieties

How many chill hours does 94515 get?: 94515 averages 1406 chill hours per winter, ranging from 1183 to 1931 across the last 10 years.
What hardiness zone is 94515?: 94515 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