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Chill hours in 92282

The short answer

92282 averages 838 chill hours per winter (4241,332 across 10 years) in USDA zone 9b.
92282 climate
Average chill hours838 (424–1,332 across 10 winters)
USDA hardiness zone9b
Last spring frosttypically January 26 – February 28
First fall frosttypically December 13 – December 20

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 92282’s chill hours and zone:

Marginal (2)

Possible in a good year or a favorable microclimate — click through for the caveats.

Marginal varieties for this location
VarietyFruit
CresthavenPeach
RedhavenPeach
How many chill hours does 92282 get?
92282 averages 838 chill hours per winter, ranging from 424 to 1332 across the last 10 years.
What hardiness zone is 92282?
92282 is in USDA hardiness zone 9b.

Growing fruit trees in 92282? 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