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Chill hours in 77359

The short answer

77359 averages 507 chill hours per winter (223645 across 10 years) in USDA zone 9a.
77359 climate
Average chill hours507 (223–645 across 10 winters)
USDA hardiness zone9a
Last spring frosttypically January 21 – March 5

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 77359’s chill hours and zone:

Marginal (6)

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

Marginal varieties for this location
VarietyFruit
MoorparkApricot
Puget GoldApricot
TiltonApricot
JunegoldPeach
ComicePear
WarrenPear
How many chill hours does 77359 get?
77359 averages 507 chill hours per winter, ranging from 223 to 645 across the last 10 years.
What hardiness zone is 77359?
77359 is in USDA hardiness zone 9a.

Growing fruit trees in 77359? 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