Skip to content
EveryOrchard
Menu

Location almanac

Chill hours in 57422

The short answer

57422 averages 1,079 chill hours per winter (6791,340 across 10 years) in USDA zone 4b.
57422 climate
Average chill hours1,079 (679–1,340 across 10 winters)
USDA hardiness zone4b
Last spring frosttypically April 22 – May 13
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 57422’s chill hours and zone:

How many chill hours does 57422 get?
57422 averages 1079 chill hours per winter, ranging from 679 to 1340 across the last 10 years.
What hardiness zone is 57422?
57422 is in USDA hardiness zone 4b.

Growing fruit trees in 57422? 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