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Chill hours in 49877

The short answer

49877 averages 1,143 chill hours per winter (8001,510 across 10 years) in USDA zone 4b.
49877 climate
Average chill hours1,143 (800–1,510 across 10 winters)
USDA hardiness zone4b
Last spring frosttypically April 28 – May 14
First fall frosttypically October 8 – 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 49877’s chill hours and zone:

How many chill hours does 49877 get?
49877 averages 1143 chill hours per winter, ranging from 800 to 1510 across the last 10 years.
What hardiness zone is 49877?
49877 is in USDA hardiness zone 4b.

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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