How many chill hours does 97539 get?

97539 averages 2217 chill hours per winter, ranging from 1996 to 2485 across the last 10 years.

What hardiness zone is 97539?

97539 is in USDA hardiness zone 8a.

Location almanac

The short answer

97539 averages 2,217 chill hours per winter (1,996–2,485 across 10 years) in USDA zone 8a.

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 97539’s chill hours and zone:

Chill and zone requirements are comfortably met in 97539.

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How many chill hours does 97539 get?: 97539 averages 2217 chill hours per winter, ranging from 1996 to 2485 across the last 10 years.
What hardiness zone is 97539?: 97539 is in USDA hardiness zone 8a.

Growing fruit trees in 97539? 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