How many chill hours does 31030 get?

31030 averages 756 chill hours per winter, ranging from 528 to 855 across the last 10 years.

What hardiness zone is 31030?

31030 is in USDA hardiness zone 8b.

Location almanac

The short answer

31030 averages 756 chill hours per winter (528–855 across 10 years) in USDA zone 8b.

31030 climate
Average chill hours	756 (528–855 across 10 winters)
USDA hardiness zone	8b
Last spring frost	typically February 20 – March 16
First fall frost	typically November 16 – December 11

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 31030’s chill hours and zone:

Chill and zone requirements are comfortably met in 31030.

Show 103 more good fit varieties

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

How many chill hours does 31030 get?: 31030 averages 756 chill hours per winter, ranging from 528 to 855 across the last 10 years.
What hardiness zone is 31030?: 31030 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