How many chill hours does 92273 get?

92273 averages 155 chill hours per winter, ranging from 99 to 242 across the last 10 years.

What hardiness zone is 92273?

92273 is in USDA hardiness zone 10a.

Location almanac

The short answer

92273 averages 155 chill hours per winter (99–242 across 10 years) in USDA zone 10a.

92273 climate
Average chill hours	155 (99–242 across 10 winters)
USDA hardiness zone	10a

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 92273’s chill hours and zone:

Chill and zone requirements are comfortably met in 92273.

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

How many chill hours does 92273 get?: 92273 averages 155 chill hours per winter, ranging from 99 to 242 across the last 10 years.
What hardiness zone is 92273?: 92273 is in USDA hardiness zone 10a.

Growing fruit trees in 92273? Get a care calendar anchored to this exact climate, with email reminders.

[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