How many chill hours does 93648 get?

93648 averages 1057 chill hours per winter, ranging from 868 to 1432 across the last 10 years.

What hardiness zone is 93648?

93648 is in USDA hardiness zone 9b.

Location almanac

The short answer

93648 averages 1,057 chill hours per winter (868–1,432 across 10 years) in USDA zone 9b.

93648 climate
Average chill hours	1,057 (868–1,432 across 10 winters)
USDA hardiness zone	9b
Last spring frost	typically January 12 – February 26
First fall frost	typically November 10 – 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 93648’s chill hours and zone:

Chill and zone requirements are comfortably met in 93648.

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How many chill hours does 93648 get?: 93648 averages 1057 chill hours per winter, ranging from 868 to 1432 across the last 10 years.
What hardiness zone is 93648?: 93648 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