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Chill hours in 93212

The short answer

93212 averages 922 chill hours per winter (6181,349 across 10 years) in USDA zone 9a.
93212 climate
Average chill hours922 (618–1,349 across 10 winters)
USDA hardiness zone9a
Last spring frosttypically January 12 – February 26
First fall frosttypically November 21 – December 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 93212’s chill hours and zone:

How many chill hours does 93212 get?
93212 averages 922 chill hours per winter, ranging from 618 to 1349 across the last 10 years.
What hardiness zone is 93212?
93212 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