How many chill hours does 92225 get?

92225 averages 230 chill hours per winter, ranging from 135 to 429 across the last 10 years.

What hardiness zone is 92225?

92225 is in USDA hardiness zone 9b.

Location almanac

The short answer

92225 averages 230 chill hours per winter (135–429 across 10 years) in USDA zone 9b.

92225 climate
Average chill hours	230 (135–429 across 10 winters)
USDA hardiness zone	9b

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 92225’s chill hours and zone:

Chill and zone requirements are comfortably met in 92225.

Show 4 more good fit varieties

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

How many chill hours does 92225 get?: 92225 averages 230 chill hours per winter, ranging from 135 to 429 across the last 10 years.
What hardiness zone is 92225?: 92225 is in USDA hardiness zone 9b.

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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