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Chill hours in 77486

The short answer

77486 averages 321 chill hours per winter (134437 across 10 years) in USDA zone 9b.
77486 climate
Average chill hours321 (134–437 across 10 winters)
USDA hardiness zone9b
Last spring frosttypically January 8 – February 20

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 77486’s chill hours and zone:

Marginal (9)

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

Marginal varieties for this location
VarietyFruit
BlenheimApricot
FlordacrestPeach
GulfprincePeach
MoonglowPear
Dapple DandyPlum
Flavor KingPlum
ShiroPlum
StellaSweet Cherry
Evans BaliTart Cherry
How many chill hours does 77486 get?
77486 averages 321 chill hours per winter, ranging from 134 to 437 across the last 10 years.
What hardiness zone is 77486?
77486 is in USDA hardiness zone 9b.

Growing fruit trees in 77486? Get a care calendar anchored to this exact climate, with email reminders.

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Sources

  1. [1] Open-Meteo / Copernicus ERA5. Historical Weather API (hourly 2m temperature) — accessed July 2026
  2. [2] USDA / PRISM (Oregon State University). 2023 USDA Plant Hardiness Zone Map — accessed July 2026