How many chill hours does 94040 get?

94040 averages 440 chill hours per winter, ranging from 331 to 767 across the last 10 years.

What hardiness zone is 94040?

94040 is in USDA hardiness zone 9b.

Location almanac

The short answer

94040 averages 440 chill hours per winter (331–767 across 10 years) in USDA zone 9b.

94040 climate
Average chill hours	440 (331–767 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 94040’s chill hours and zone:

Chill and zone requirements are comfortably met in 94040.

Show 34 more good fit varieties

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

Show 10 more marginal varieties

How many chill hours does 94040 get?: 94040 averages 440 chill hours per winter, ranging from 331 to 767 across the last 10 years.
What hardiness zone is 94040?: 94040 is in USDA hardiness zone 9b.

Growing fruit trees in 94040? 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