How many chill hours does 94538 get?

94538 averages 484 chill hours per winter, ranging from 355 to 802 across the last 10 years.

What hardiness zone is 94538?

94538 is in USDA hardiness zone 10a.

Location almanac

The short answer

94538 averages 484 chill hours per winter (355–802 across 10 years) in USDA zone 10a.

94538 climate
Average chill hours	484 (355–802 across 10 winters)
USDA hardiness zone	10a

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 94538’s chill hours and zone:

Chill and zone requirements are comfortably met in 94538.

Show 19 more good fit varieties

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

How many chill hours does 94538 get?: 94538 averages 484 chill hours per winter, ranging from 355 to 802 across the last 10 years.
What hardiness zone is 94538?: 94538 is in USDA hardiness zone 10a.

Growing fruit trees in 94538? 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