How many chill hours does 33609 get?

33609 averages 71 chill hours per winter, ranging from 21 to 139 across the last 10 years.

What hardiness zone is 33609?

33609 is in USDA hardiness zone 10a.

Location almanac

The short answer

33609 averages 71 chill hours per winter (21–139 across 10 years) in USDA zone 10a.

33609 climate
Average chill hours	71 (21–139 across 10 winters)
USDA hardiness zone	10a

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 33609’s chill hours and zone:

Chill and zone requirements are comfortably met in 33609.

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

How many chill hours does 33609 get?: 33609 averages 71 chill hours per winter, ranging from 21 to 139 across the last 10 years.
What hardiness zone is 33609?: 33609 is in USDA hardiness zone 10a.

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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