Skip to content
EveryOrchard
Menu

Location almanac

Chill hours in 55962

The short answer

55962 averages 1,311 chill hours per winter (1,1401,545 across 10 years) in USDA zone 4b.
55962 climate
Average chill hours1,311 (1,140–1,545 across 10 winters)
USDA hardiness zone4b
Last spring frosttypically April 23 – April 29
First fall frosttypically October 12 – November 14

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 55962’s chill hours and zone:

How many chill hours does 55962 get?
55962 averages 1311 chill hours per winter, ranging from 1140 to 1545 across the last 10 years.
What hardiness zone is 55962?
55962 is in USDA hardiness zone 4b.

Growing fruit trees in 55962? 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