How many chill hours does 78562 get?

78562 averages 133 chill hours per winter, ranging from 57 to 218 across the last 10 years.

What hardiness zone is 78562?

78562 is in USDA hardiness zone 10a.

Location almanac

The short answer

78562 averages 133 chill hours per winter (57–218 across 10 years) in USDA zone 10a.

78562 climate
Average chill hours	133 (57–218 across 10 winters)
USDA hardiness zone	10a

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 78562’s chill hours and zone:

Chill and zone requirements are comfortably met in 78562.

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

How many chill hours does 78562 get?: 78562 averages 133 chill hours per winter, ranging from 57 to 218 across the last 10 years.
What hardiness zone is 78562?: 78562 is in USDA hardiness zone 10a.

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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