How many chill hours does 92161 get?

92161 averages 122 chill hours per winter, ranging from 44 to 269 across the last 10 years.

What hardiness zone is 92161?

92161 is in USDA hardiness zone 10b.

Location almanac

The short answer

92161 averages 122 chill hours per winter (44–269 across 10 years) in USDA zone 10b.

92161 climate
Average chill hours	122 (44–269 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 92161’s chill hours and zone:

Chill and zone requirements are comfortably met in 92161.

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

How many chill hours does 92161 get?: 92161 averages 122 chill hours per winter, ranging from 44 to 269 across the last 10 years.
What hardiness zone is 92161?: 92161 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