How many chill hours does 39191 get?

39191 averages 712 chill hours per winter, ranging from 426 to 846 across the last 10 years.

What hardiness zone is 39191?

39191 is in USDA hardiness zone 8b.

Location almanac

The short answer

39191 averages 712 chill hours per winter (426–846 across 10 years) in USDA zone 8b.

39191 climate
Average chill hours	712 (426–846 across 10 winters)
USDA hardiness zone	8b
Last spring frost	typically January 30 – March 13
First fall frost	typically November 13 – December 10

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 39191’s chill hours and zone:

Chill and zone requirements are comfortably met in 39191.

Show 95 more good fit varieties

Possible in a good year or a favorable microclimate — click through for the caveats.

How many chill hours does 39191 get?: 39191 averages 712 chill hours per winter, ranging from 426 to 846 across the last 10 years.
What hardiness zone is 39191?: 39191 is in USDA hardiness zone 8b.

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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