How many chill hours does 92140 get?

92140 averages 134 chill hours per winter, ranging from 60 to 321 across the last 10 years.

What hardiness zone is 92140?

92140 is in USDA hardiness zone 11a.

Location almanac

The short answer

92140 averages 134 chill hours per winter (60–321 across 10 years) in USDA zone 11a.

92140 climate
Average chill hours	134 (60–321 across 10 winters)
USDA hardiness zone	11a

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 92140’s chill hours and zone:

Chill and zone requirements are comfortably met in 92140.

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

How many chill hours does 92140 get?: 92140 averages 134 chill hours per winter, ranging from 60 to 321 across the last 10 years.
What hardiness zone is 92140?: 92140 is in USDA hardiness zone 11a.

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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