How many chill hours does 92840 get?

92840 averages 146 chill hours per winter, ranging from 18 to 315 across the last 10 years.

What hardiness zone is 92840?

92840 is in USDA hardiness zone 10b.

Location almanac

The short answer

92840 averages 146 chill hours per winter (18–315 across 10 years) in USDA zone 10b.

92840 climate
Average chill hours	146 (18–315 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 92840’s chill hours and zone:

Chill and zone requirements are comfortably met in 92840.

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

Show 1 more marginal variety

How many chill hours does 92840 get?: 92840 averages 146 chill hours per winter, ranging from 18 to 315 across the last 10 years.
What hardiness zone is 92840?: 92840 is in USDA hardiness zone 10b.

Growing fruit trees in 92840? 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