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Chill hours in 95690

The short answer

95690 averages 855 chill hours per winter (5771,395 across 10 years) in USDA zone 9b.
95690 climate
Average chill hours855 (577–1,395 across 10 winters)
USDA hardiness zone9b
Last spring frosttypically January 2 – February 24
First fall frosttypically November 29 – December 19

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 95690’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 95690 get?
95690 averages 855 chill hours per winter, ranging from 577 to 1395 across the last 10 years.
What hardiness zone is 95690?
95690 is in USDA hardiness zone 9b.

Growing fruit trees in 95690? 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