Skip to content
EveryOrchard
Menu

Location almanac

Chill hours in 59215

The short answer

59215 averages 1,337 chill hours per winter (8721,491 across 10 years) in USDA zone 4a.
59215 climate
Average chill hours1,337 (872–1,491 across 10 winters)
USDA hardiness zone4a
Last spring frosttypically April 24 – May 18
First fall frosttypically 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 59215’s chill hours and zone:

How many chill hours does 59215 get?
59215 averages 1337 chill hours per winter, ranging from 872 to 1491 across the last 10 years.
What hardiness zone is 59215?
59215 is in USDA hardiness zone 4a.

Growing fruit trees in 59215? 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