How many chill hours does 92027 get?

92027 averages 775 chill hours per winter, ranging from 436 to 1229 across the last 10 years.

What hardiness zone is 92027?

92027 is in USDA hardiness zone 9b.

Location almanac

The short answer

92027 averages 775 chill hours per winter (436–1,229 across 10 years) in USDA zone 9b.

92027 climate
Average chill hours	775 (436–1,229 across 10 winters)
USDA hardiness zone	9b
Last spring frost	typically January 12 – March 7
First fall frost	typically December 15 – December 29

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 92027’s chill hours and zone:

Chill and zone requirements are comfortably met in 92027.

Show 74 more good fit varieties

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

How many chill hours does 92027 get?: 92027 averages 775 chill hours per winter, ranging from 436 to 1229 across the last 10 years.
What hardiness zone is 92027?: 92027 is in USDA hardiness zone 9b.

Growing fruit trees in 92027? 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