How many chill hours does 93623 get?

93623 averages 1947 chill hours per winter, ranging from 1410 to 2179 across the last 10 years.

What hardiness zone is 93623?

93623 is in USDA hardiness zone 8a.

Location almanac

The short answer

93623 averages 1,947 chill hours per winter (1,410–2,179 across 10 years) in USDA zone 8a.

93623 climate
Average chill hours	1,947 (1,410–2,179 across 10 winters)
USDA hardiness zone	8a
Last spring frost	typically May 11 – June 9
First fall frost	typically September 30 – October 29

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 93623’s chill hours and zone:

Chill and zone requirements are comfortably met in 93623.

Show 129 more good fit varieties

How many chill hours does 93623 get?: 93623 averages 1947 chill hours per winter, ranging from 1410 to 2179 across the last 10 years.
What hardiness zone is 93623?: 93623 is in USDA hardiness zone 8a.

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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