How many chill hours does 93640 get?

93640 averages 839 chill hours per winter, ranging from 718 to 1287 across the last 10 years.

What hardiness zone is 93640?

93640 is in USDA hardiness zone 9a.

Location almanac

The short answer

93640 averages 839 chill hours per winter (718–1,287 across 10 years) in USDA zone 9a.

93640 climate
Average chill hours	839 (718–1,287 across 10 winters)
USDA hardiness zone	9a
Last spring frost	typically January 3 – February 20
First fall frost	typically November 30 – December 22

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 93640’s chill hours and zone:

Chill and zone requirements are comfortably met in 93640.

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 93640 get?: 93640 averages 839 chill hours per winter, ranging from 718 to 1287 across the last 10 years.
What hardiness zone is 93640?: 93640 is in USDA hardiness zone 9a.

Growing fruit trees in 93640? 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