How many chill hours does 92544 get?

92544 averages 1104 chill hours per winter, ranging from 628 to 1695 across the last 10 years.

What hardiness zone is 92544?

92544 is in USDA hardiness zone 9b.

Location almanac

The short answer

92544 averages 1,104 chill hours per winter (628–1,695 across 10 years) in USDA zone 9b.

92544 climate
Average chill hours	1,104 (628–1,695 across 10 winters)
USDA hardiness zone	9b
Last spring frost	typically February 5 – March 16
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 92544’s chill hours and zone:

Chill and zone requirements are comfortably met in 92544.

Show 87 more good fit varieties

How many chill hours does 92544 get?: 92544 averages 1104 chill hours per winter, ranging from 628 to 1695 across the last 10 years.
What hardiness zone is 92544?: 92544 is in USDA hardiness zone 9b.

Growing fruit trees in 92544? 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