How many chill hours does 34639 get?

34639 averages 134 chill hours per winter, ranging from 62 to 218 across the last 10 years.

What hardiness zone is 34639?

34639 is in USDA hardiness zone 9b.

Location almanac

The short answer

34639 averages 134 chill hours per winter (62–218 across 10 years) in USDA zone 9b.

34639 climate
Average chill hours	134 (62–218 across 10 winters)
USDA hardiness zone	9b

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 34639’s chill hours and zone:

Chill and zone requirements are comfortably met in 34639.

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

How many chill hours does 34639 get?: 34639 averages 134 chill hours per winter, ranging from 62 to 218 across the last 10 years.
What hardiness zone is 34639?: 34639 is in USDA hardiness zone 9b.

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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