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Chill hours in 92060

The short answer

92060 averages 1,881 chill hours per winter (1,4412,363 across 10 years) in USDA zone 9a.
92060 climate
Average chill hours1,881 (1,441–2,363 across 10 winters)
USDA hardiness zone9a
Last spring frosttypically April 27 – May 12
First fall frosttypically October 24 – November 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 92060’s chill hours and zone:

How many chill hours does 92060 get?
92060 averages 1881 chill hours per winter, ranging from 1441 to 2363 across the last 10 years.
What hardiness zone is 92060?
92060 is in USDA hardiness zone 9a.

Growing fruit trees in 92060? 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