How many chill hours does 92602 get?

92602 averages 168 chill hours per winter, ranging from 89 to 355 across the last 10 years.

What hardiness zone is 92602?

92602 is in USDA hardiness zone 10b.

Location almanac

The short answer

92602 averages 168 chill hours per winter (89–355 across 10 years) in USDA zone 10b.

92602 climate
Average chill hours	168 (89–355 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 92602’s chill hours and zone:

Chill and zone requirements are comfortably met in 92602.

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

How many chill hours does 92602 get?: 92602 averages 168 chill hours per winter, ranging from 89 to 355 across the last 10 years.
What hardiness zone is 92602?: 92602 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