Skip to content
EveryOrchard
Menu

Location almanac

Chill hours in 49815

The short answer

49815 averages 1,112 chill hours per winter (7721,501 across 10 years) in USDA zone 4b.
49815 climate
Average chill hours1,112 (772–1,501 across 10 winters)
USDA hardiness zone4b
Last spring frosttypically April 28 – May 14
First fall frosttypically October 12 – October 29

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 49815’s chill hours and zone:

How many chill hours does 49815 get?
49815 averages 1112 chill hours per winter, ranging from 772 to 1501 across the last 10 years.
What hardiness zone is 49815?
49815 is in USDA hardiness zone 4b.

Growing fruit trees in 49815? 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