Skip to content
EveryOrchard
Menu

Location almanac

Chill hours in 57322

The short answer

57322 averages 1,107 chill hours per winter (7341,279 across 10 years) in USDA zone 4b.
57322 climate
Average chill hours1,107 (734–1,279 across 10 winters)
USDA hardiness zone4b
Last spring frosttypically April 22 – May 12
First fall frosttypically October 7 – November 7

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 57322’s chill hours and zone:

How many chill hours does 57322 get?
57322 averages 1107 chill hours per winter, ranging from 734 to 1279 across the last 10 years.
What hardiness zone is 57322?
57322 is in USDA hardiness zone 4b.

Growing fruit trees in 57322? Get a care calendar anchored to this exact climate, with email reminders.

Start My Orchard

Sources

  1. [1] Open-Meteo / Copernicus ERA5. Historical Weather API (hourly 2m temperature) — accessed July 2026
  2. [2] USDA / PRISM (Oregon State University). 2023 USDA Plant Hardiness Zone Map — accessed July 2026