How many chill hours does 83433 get?

83433 averages 1022 chill hours per winter, ranging from 571 to 1486 across the last 10 years.

What hardiness zone is 83433?

83433 is in USDA hardiness zone 4a.

Location almanac

The short answer

83433 averages 1,022 chill hours per winter (571–1,486 across 10 years) in USDA zone 4a.

83433 climate
Average chill hours	1,022 (571–1,486 across 10 winters)
USDA hardiness zone	4a
Last spring frost	typically May 27 – June 21
First fall frost	typically September 9 – October 23

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 83433’s chill hours and zone:

Chill and zone requirements are comfortably met in 83433.

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How many chill hours does 83433 get?: 83433 averages 1022 chill hours per winter, ranging from 571 to 1486 across the last 10 years.
What hardiness zone is 83433?: 83433 is in USDA hardiness zone 4a.

Growing fruit trees in 83433? Get a care calendar anchored to this exact climate, with email reminders.

[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