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Chill hours in 95699

The short answer

95699 averages 977 chill hours per winter (8441,455 across 10 years) in USDA zone 9b.
95699 climate
Average chill hours977 (844–1,455 across 10 winters)
USDA hardiness zone9b
Last spring frosttypically January 15 – March 18
First fall frosttypically November 26 – December 18

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 95699’s chill hours and zone:

How many chill hours does 95699 get?
95699 averages 977 chill hours per winter, ranging from 844 to 1455 across the last 10 years.
What hardiness zone is 95699?
95699 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