How many chill hours does 93307 get?

93307 averages 905 chill hours per winter, ranging from 708 to 1233 across the last 10 years.

What hardiness zone is 93307?

93307 is in USDA hardiness zone 9b.

Location almanac

The short answer

93307 averages 905 chill hours per winter (708–1,233 across 10 years) in USDA zone 9b.

93307 climate
Average chill hours	905 (708–1,233 across 10 winters)
USDA hardiness zone	9b
Last spring frost	typically January 15 – February 25
First fall frost	typically December 4 – 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 93307’s chill hours and zone:

Chill and zone requirements are comfortably met in 93307.

Show 87 more good fit varieties

How many chill hours does 93307 get?: 93307 averages 905 chill hours per winter, ranging from 708 to 1233 across the last 10 years.
What hardiness zone is 93307?: 93307 is in USDA hardiness zone 9b.

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[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