How many chill hours does 77983 get?

77983 averages 162 chill hours per winter, ranging from 44 to 278 across the last 10 years.

What hardiness zone is 77983?

77983 is in USDA hardiness zone 9b.

Location almanac

The short answer

77983 averages 162 chill hours per winter (44–278 across 10 years) in USDA 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 77983’s chill hours and zone:

Chill and zone requirements are comfortably met in 77983.

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

How many chill hours does 77983 get?: 77983 averages 162 chill hours per winter, ranging from 44 to 278 across the last 10 years.
What hardiness zone is 77983?: 77983 is in USDA hardiness zone 9b.

Growing fruit trees in 77983? 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