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Chill hours in 95677

The short answer

95677 averages 1,046 chill hours per winter (8191,519 across 10 years) in USDA zone 9b.
95677 climate
Average chill hours1,046 (819–1,519 across 10 winters)
USDA hardiness zone9b
Last spring frosttypically January 11 – March 1
First fall frosttypically November 20 – December 13

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 95677’s chill hours and zone:

How many chill hours does 95677 get?
95677 averages 1046 chill hours per winter, ranging from 819 to 1519 across the last 10 years.
What hardiness zone is 95677?
95677 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