How many chill hours does 92570 get?

92570 averages 811 chill hours per winter, ranging from 417 to 1228 across the last 10 years.

What hardiness zone is 92570?

92570 is in USDA hardiness zone 9b.

Location almanac

The short answer

92570 averages 811 chill hours per winter (417–1,228 across 10 years) in USDA zone 9b.

92570 climate
Average chill hours	811 (417–1,228 across 10 winters)
USDA hardiness zone	9b
Last spring frost	typically January 22 – March 2
First fall frost	typically December 1 – December 28

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 92570’s chill hours and zone:

Chill and zone requirements are comfortably met in 92570.

Show 85 more good fit varieties

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

Marginal varieties for this location
Variety	Fruit
Cresthaven	Peach
Redhaven	Peach

How many chill hours does 92570 get?: 92570 averages 811 chill hours per winter, ranging from 417 to 1228 across the last 10 years.
What hardiness zone is 92570?: 92570 is in USDA hardiness zone 9b.

Growing fruit trees in 92570? 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