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Chill hours in 96022

The short answer

96022 averages 1,290 chill hours per winter (1,0951,829 across 10 years) in USDA zone 9a.
96022 climate
Average chill hours1,290 (1,095–1,829 across 10 winters)
USDA hardiness zone9a
Last spring frosttypically January 26 – March 27
First fall frosttypically November 29 – December 20

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 96022’s chill hours and zone:

How many chill hours does 96022 get?
96022 averages 1290 chill hours per winter, ranging from 1095 to 1829 across the last 10 years.
What hardiness zone is 96022?
96022 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