How many chill hours does 92305 get?

92305 averages 1762 chill hours per winter, ranging from 1291 to 2187 across the last 10 years.

What hardiness zone is 92305?

92305 is in USDA hardiness zone 7a.

Location almanac

The short answer

92305 averages 1,762 chill hours per winter (1,291–2,187 across 10 years) in USDA zone 7a.

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 92305’s chill hours and zone:

Chill and zone requirements are comfortably met in 92305.

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How many chill hours does 92305 get?: 92305 averages 1762 chill hours per winter, ranging from 1291 to 2187 across the last 10 years.
What hardiness zone is 92305?: 92305 is in USDA hardiness zone 7a.

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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