How many chill hours does 94517 get?

94517 averages 2196 chill hours per winter, ranging from 1969 to 2508 across the last 10 years.

What hardiness zone is 94517?

94517 is in USDA hardiness zone 9b.

Location almanac

The short answer

94517 averages 2,196 chill hours per winter (1,969–2,508 across 10 years) in USDA zone 9b.

94517 climate
Average chill hours	2,196 (1,969–2,508 across 10 winters)
USDA hardiness zone	9b
Last spring frost	typically March 21 – April 17
First fall frost	typically November 10 – November 26

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 94517’s chill hours and zone:

Chill and zone requirements are comfortably met in 94517.

Show 87 more good fit varieties

How many chill hours does 94517 get?: 94517 averages 2196 chill hours per winter, ranging from 1969 to 2508 across the last 10 years.
What hardiness zone is 94517?: 94517 is in USDA hardiness zone 9b.

Growing fruit trees in 94517? Get a care calendar anchored to this exact climate, with email reminders.

[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