How many chill hours does 42339 get?

42339 averages 1346 chill hours per winter, ranging from 1073 to 1662 across the last 10 years.

What hardiness zone is 42339?

42339 is in USDA hardiness zone 7a.

Location almanac

The short answer

42339 averages 1,346 chill hours per winter (1,073–1,662 across 10 years) in USDA zone 7a.

42339 climate
Average chill hours	1,346 (1,073–1,662 across 10 winters)
USDA hardiness zone	7a
Last spring frost	typically March 16 – April 17
First fall frost	typically November 1 – November 22

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 42339’s chill hours and zone:

Chill and zone requirements are comfortably met in 42339.

Show 131 more good fit varieties

How many chill hours does 42339 get?: 42339 averages 1346 chill hours per winter, ranging from 1073 to 1662 across the last 10 years.
What hardiness zone is 42339?: 42339 is in USDA hardiness zone 7a.

Growing fruit trees in 42339? 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