How many chill hours does 99662 get?

99662 averages 1182 chill hours per winter, ranging from 800 to 1440 across the last 10 years.

What hardiness zone is 99662?

99662 is in USDA hardiness zone 4b.

Location almanac

The short answer

99662 averages 1,182 chill hours per winter (800–1,440 across 10 years) in USDA zone 4b.

99662 climate
Average chill hours	1,182 (800–1,440 across 10 winters)
USDA hardiness zone	4b
Last spring frost	typically May 12 – June 4
First fall frost	typically September 23 – October 16

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 99662’s chill hours and zone:

Chill and zone requirements are comfortably met in 99662.

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How many chill hours does 99662 get?: 99662 averages 1182 chill hours per winter, ranging from 800 to 1440 across the last 10 years.
What hardiness zone is 99662?: 99662 is in USDA hardiness zone 4b.

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[1] Open-Meteo / Copernicus ERA5. Historical Weather API (hourly 2m temperature) — accessed July 2026
[2] USDA / PRISM (Oregon State University). 2023 USDA Plant Hardiness Zone Map — accessed July 2026