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Chill hours in 93932

The short answer

93932 averages 1,088 chill hours per winter (7851,567 across 10 years) in USDA zone 9a.
93932 climate
Average chill hours1,088 (785–1,567 across 10 winters)
USDA hardiness zone9a
Last spring frosttypically March 5 – April 5
First fall frosttypically November 10 – December 19

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 93932’s chill hours and zone:

How many chill hours does 93932 get?
93932 averages 1088 chill hours per winter, ranging from 785 to 1567 across the last 10 years.
What hardiness zone is 93932?
93932 is in USDA hardiness zone 9a.

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Sources

  1. [1] Open-Meteo / Copernicus ERA5. Historical Weather API (hourly 2m temperature) — accessed July 2026
  2. [2] USDA / PRISM (Oregon State University). 2023 USDA Plant Hardiness Zone Map — accessed July 2026