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Chill hours in 89119

The short answer

89119 averages 834 chill hours per winter (5151,245 across 10 years) in USDA zone 9b.
89119 climate
Average chill hours834 (515–1,245 across 10 winters)
USDA hardiness zone9b
Last spring frosttypically January 2 – February 25
First fall frosttypically November 26 – December 22

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 89119’s chill hours and zone:

Marginal (2)

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

Marginal varieties for this location
VarietyFruit
CresthavenPeach
RedhavenPeach
How many chill hours does 89119 get?
89119 averages 834 chill hours per winter, ranging from 515 to 1245 across the last 10 years.
What hardiness zone is 89119?
89119 is in USDA hardiness zone 9b.

Growing fruit trees in 89119? 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