How many chill hours does 94542 get?

94542 averages 1202 chill hours per winter, ranging from 974 to 1765 across the last 10 years.

What hardiness zone is 94542?

94542 is in USDA hardiness zone 9b.

Location almanac

The short answer

94542 averages 1,202 chill hours per winter (974–1,765 across 10 years) in USDA zone 9b.

94542 climate
Average chill hours	1,202 (974–1,765 across 10 winters)
USDA hardiness zone	9b
Last spring frost	typically January 3 – April 4
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 94542’s chill hours and zone:

Chill and zone requirements are comfortably met in 94542.

Show 87 more good fit varieties

How many chill hours does 94542 get?: 94542 averages 1202 chill hours per winter, ranging from 974 to 1765 across the last 10 years.
What hardiness zone is 94542?: 94542 is in USDA hardiness zone 9b.

Growing fruit trees in 94542? 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