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Chill hours in 93727

The short answer

93727 averages 1,060 chill hours per winter (8941,498 across 10 years) in USDA zone 9b.
93727 climate
Average chill hours1,060 (894–1,498 across 10 winters)
USDA hardiness zone9b
Last spring frosttypically January 26 – February 25
First fall frosttypically November 11 – December 25

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 93727’s chill hours and zone:

How many chill hours does 93727 get?
93727 averages 1060 chill hours per winter, ranging from 894 to 1498 across the last 10 years.
What hardiness zone is 93727?
93727 is in USDA hardiness zone 9b.

Growing fruit trees in 93727? Get a care calendar anchored to this exact climate, with email reminders.

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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