How many chill hours does 92070 get?

92070 averages 1839 chill hours per winter, ranging from 1160 to 2308 across the last 10 years.

What hardiness zone is 92070?

92070 is in USDA hardiness zone 9a.

Location almanac

The short answer

92070 averages 1,839 chill hours per winter (1,160–2,308 across 10 years) in USDA zone 9a.

92070 climate
Average chill hours	1,839 (1,160–2,308 across 10 winters)
USDA hardiness zone	9a
Last spring frost	typically March 6 – April 17
First fall frost	typically November 5 – December 24

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 92070’s chill hours and zone:

Chill and zone requirements are comfortably met in 92070.

Show 87 more good fit varieties

How many chill hours does 92070 get?: 92070 averages 1839 chill hours per winter, ranging from 1160 to 2308 across the last 10 years.
What hardiness zone is 92070?: 92070 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