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Chill hours in 95563

The short answer

95563 averages 1,502 chill hours per winter (1,2541,903 across 10 years) in USDA zone 9a.
95563 climate
Average chill hours1,502 (1,254–1,903 across 10 winters)
USDA hardiness zone9a
Last spring frosttypically March 6 – April 3
First fall frosttypically November 28 – December 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 95563’s chill hours and zone:

How many chill hours does 95563 get?
95563 averages 1502 chill hours per winter, ranging from 1254 to 1903 across the last 10 years.
What hardiness zone is 95563?
95563 is in USDA hardiness zone 9a.

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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