How many chill hours does 94566 get?

94566 averages 943 chill hours per winter, ranging from 645 to 1579 across the last 10 years.

What hardiness zone is 94566?

94566 is in USDA hardiness zone 9b.

Location almanac

The short answer

94566 averages 943 chill hours per winter (645–1,579 across 10 years) in USDA zone 9b.

94566 climate
Average chill hours	943 (645–1,579 across 10 winters)
USDA hardiness zone	9b
Last spring frost	typically February 3 – February 24

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 94566’s chill hours and zone:

Chill and zone requirements are comfortably met in 94566.

Show 87 more good fit varieties

How many chill hours does 94566 get?: 94566 averages 943 chill hours per winter, ranging from 645 to 1579 across the last 10 years.
What hardiness zone is 94566?: 94566 is in USDA hardiness zone 9b.

Growing fruit trees in 94566? 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