How many chill hours does 93033 get?

93033 averages 227 chill hours per winter, ranging from 85 to 401 across the last 10 years.

What hardiness zone is 93033?

93033 is in USDA hardiness zone 10b.

Location almanac

The short answer

93033 averages 227 chill hours per winter (85–401 across 10 years) in USDA zone 10b.

93033 climate
Average chill hours	227 (85–401 across 10 winters)
USDA hardiness zone	10b

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 93033’s chill hours and zone:

Chill and zone requirements are comfortably met in 93033.

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

How many chill hours does 93033 get?: 93033 averages 227 chill hours per winter, ranging from 85 to 401 across the last 10 years.
What hardiness zone is 93033?: 93033 is in USDA hardiness zone 10b.

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[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