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Chill hours in 95742

The short answer

95742 averages 1,108 chill hours per winter (9021,561 across 10 years) in USDA zone 9b.
95742 climate
Average chill hours1,108 (902–1,561 across 10 winters)
USDA hardiness zone9b
Last spring frosttypically January 12 – March 6
First fall frosttypically November 27 – 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 95742’s chill hours and zone:

How many chill hours does 95742 get?
95742 averages 1108 chill hours per winter, ranging from 902 to 1561 across the last 10 years.
What hardiness zone is 95742?
95742 is in USDA hardiness zone 9b.

Growing fruit trees in 95742? 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