How many chill hours does 03857 get?

03857 averages 1625 chill hours per winter, ranging from 1415 to 1849 across the last 10 years.

What hardiness zone is 03857?

03857 is in USDA hardiness zone 6a.

Location almanac

The short answer

03857 averages 1,625 chill hours per winter (1,415–1,849 across 10 years) in USDA zone 6a.

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 03857’s chill hours and zone:

Chill and zone requirements are comfortably met in 03857.

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How many chill hours does 03857 get?: 03857 averages 1625 chill hours per winter, ranging from 1415 to 1849 across the last 10 years.
What hardiness zone is 03857?: 03857 is in USDA hardiness zone 6a.

Growing fruit trees in 03857? 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