How many chill hours does 92066 get?

92066 averages 1549 chill hours per winter, ranging from 864 to 2221 across the last 10 years.

What hardiness zone is 92066?

92066 is in USDA hardiness zone 9a.

Location almanac

The short answer

92066 averages 1,549 chill hours per winter (864–2,221 across 10 years) in USDA zone 9a.

92066 climate
Average chill hours	1,549 (864–2,221 across 10 winters)
USDA hardiness zone	9a
Last spring frost	typically March 3 – April 5
First fall frost	typically November 18 – December 15

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 92066’s chill hours and zone:

Chill and zone requirements are comfortably met in 92066.

Show 87 more good fit varieties

How many chill hours does 92066 get?: 92066 averages 1549 chill hours per winter, ranging from 864 to 2221 across the last 10 years.
What hardiness zone is 92066?: 92066 is in USDA hardiness zone 9a.

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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