How many chill hours does 99330 get?

99330 averages 1794 chill hours per winter, ranging from 1323 to 2160 across the last 10 years.

What hardiness zone is 99330?

99330 is in USDA hardiness zone 7a.

Location almanac

The short answer

99330 averages 1,794 chill hours per winter (1,323–2,160 across 10 years) in USDA zone 7a.

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 99330’s chill hours and zone:

Chill and zone requirements are comfortably met in 99330.

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How many chill hours does 99330 get?: 99330 averages 1794 chill hours per winter, ranging from 1323 to 2160 across the last 10 years.
What hardiness zone is 99330?: 99330 is in USDA hardiness zone 7a.

Growing fruit trees in 99330? Get a care calendar anchored to this exact climate, with email reminders.

[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