How many chill hours does 04539 get?

04539 averages 1652 chill hours per winter, ranging from 1438 to 1804 across the last 10 years.

What hardiness zone is 04539?

04539 is in USDA hardiness zone 6a.

Location almanac

The short answer

04539 averages 1,652 chill hours per winter (1,438–1,804 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 04539’s chill hours and zone:

Chill and zone requirements are comfortably met in 04539.

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How many chill hours does 04539 get?: 04539 averages 1652 chill hours per winter, ranging from 1438 to 1804 across the last 10 years.
What hardiness zone is 04539?: 04539 is in USDA hardiness zone 6a.

Growing fruit trees in 04539? 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