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Chill hours in 95632

The short answer

95632 averages 1,029 chill hours per winter (7971,487 across 10 years) in USDA zone 9b.
95632 climate
Average chill hours1,029 (797–1,487 across 10 winters)
USDA hardiness zone9b
Last spring frosttypically January 8 – March 5
First fall frosttypically November 20 – 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 95632’s chill hours and zone:

How many chill hours does 95632 get?
95632 averages 1029 chill hours per winter, ranging from 797 to 1487 across the last 10 years.
What hardiness zone is 95632?
95632 is in USDA hardiness zone 9b.

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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