How many chill hours does 99690 get?

99690 averages 1351 chill hours per winter, ranging from 784 to 1693 across the last 10 years.

What hardiness zone is 99690?

99690 is in USDA hardiness zone 4a.

Location almanac

The short answer

99690 averages 1,351 chill hours per winter (784–1,693 across 10 years) in USDA zone 4a.

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 99690’s chill hours and zone:

Chill and zone requirements are comfortably met in 99690.

Show 90 more good fit varieties

How many chill hours does 99690 get?: 99690 averages 1351 chill hours per winter, ranging from 784 to 1693 across the last 10 years.
What hardiness zone is 99690?: 99690 is in USDA hardiness zone 4a.

Growing fruit trees in 99690? 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