How many chill hours does 95640 get?

95640 averages 1006 chill hours per winter, ranging from 849 to 1466 across the last 10 years.

What hardiness zone is 95640?

95640 is in USDA hardiness zone 9b.

Location almanac

The short answer

95640 averages 1,006 chill hours per winter (849–1,466 across 10 years) in USDA zone 9b.

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 95640’s chill hours and zone:

Chill and zone requirements are comfortably met in 95640.

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How many chill hours does 95640 get?: 95640 averages 1006 chill hours per winter, ranging from 849 to 1466 across the last 10 years.
What hardiness zone is 95640?: 95640 is in USDA hardiness zone 9b.

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[1] Open-Meteo / Copernicus ERA5. Historical Weather API (hourly 2m temperature) — accessed July 2026
[2] USDA / PRISM (Oregon State University). 2023 USDA Plant Hardiness Zone Map — accessed July 2026