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Chill hours in 95322

The short answer

95322 averages 861 chill hours per winter (6981,320 across 10 years) in USDA zone 9b.
95322 climate
Average chill hours861 (698–1,320 across 10 winters)
USDA hardiness zone9b
Last spring frosttypically January 1 – February 24

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 95322’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 95322 get?
95322 averages 861 chill hours per winter, ranging from 698 to 1320 across the last 10 years.
What hardiness zone is 95322?
95322 is in USDA hardiness zone 9b.

Growing fruit trees in 95322? 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