How many chill hours does 93643 get?

93643 averages 1713 chill hours per winter, ranging from 1526 to 1889 across the last 10 years.

What hardiness zone is 93643?

93643 is in USDA hardiness zone 9a.

Location almanac

The short answer

93643 averages 1,713 chill hours per winter (1,526–1,889 across 10 years) in USDA zone 9a.

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 93643’s chill hours and zone:

Chill and zone requirements are comfortably met in 93643.

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How many chill hours does 93643 get?: 93643 averages 1713 chill hours per winter, ranging from 1526 to 1889 across the last 10 years.
What hardiness zone is 93643?: 93643 is in USDA hardiness zone 9a.

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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