How many chill hours does 92649 get?

92649 averages 138 chill hours per winter, ranging from 28 to 303 across the last 10 years.

What hardiness zone is 92649?

92649 is in USDA hardiness zone 10b.

Location almanac

The short answer

92649 averages 138 chill hours per winter (28–303 across 10 years) in USDA zone 10b.

92649 climate
Average chill hours	138 (28–303 across 10 winters)
USDA hardiness zone	10b

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 92649’s chill hours and zone:

Chill and zone requirements are comfortably met in 92649.

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

Show 1 more marginal variety

How many chill hours does 92649 get?: 92649 averages 138 chill hours per winter, ranging from 28 to 303 across the last 10 years.
What hardiness zone is 92649?: 92649 is in USDA hardiness zone 10b.

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