How many chill hours does 94020 get?

94020 averages 870 chill hours per winter, ranging from 461 to 1497 across the last 10 years.

What hardiness zone is 94020?

94020 is in USDA hardiness zone 9b.

Location almanac

The short answer

94020 averages 870 chill hours per winter (461–1,497 across 10 years) in USDA zone 9b.

94020 climate
Average chill hours	870 (461–1,497 across 10 winters)
USDA hardiness zone	9b

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 94020’s chill hours and zone:

Chill and zone requirements are comfortably met in 94020.

Show 85 more good fit varieties

Possible in a good year or a favorable microclimate — click through for the caveats.

Marginal varieties for this location
Variety	Fruit
Cresthaven	Peach
Redhaven	Peach

How many chill hours does 94020 get?: 94020 averages 870 chill hours per winter, ranging from 461 to 1497 across the last 10 years.
What hardiness zone is 94020?: 94020 is in USDA hardiness zone 9b.

Growing fruit trees in 94020? 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