How many chill hours does 59339 get?

59339 averages 1331 chill hours per winter, ranging from 819 to 1508 across the last 10 years.

What hardiness zone is 59339?

59339 is in USDA hardiness zone 4b.

Location almanac

The short answer

59339 averages 1,331 chill hours per winter (819–1,508 across 10 years) in USDA zone 4b.

59339 climate
Average chill hours	1,331 (819–1,508 across 10 winters)
USDA hardiness zone	4b
Last spring frost	typically April 28 – May 19
First fall frost	typically September 28 – October 28

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 59339’s chill hours and zone:

Chill and zone requirements are comfortably met in 59339.

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How many chill hours does 59339 get?: 59339 averages 1331 chill hours per winter, ranging from 819 to 1508 across the last 10 years.
What hardiness zone is 59339?: 59339 is in USDA hardiness zone 4b.

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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