How many chill hours does 95641 get?

95641 averages 756 chill hours per winter, ranging from 483 to 1296 across the last 10 years.

What hardiness zone is 95641?

95641 is in USDA hardiness zone 9b.

Location almanac

The short answer

95641 averages 756 chill hours per winter (483–1,296 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 95641’s chill hours and zone:

Chill and zone requirements are comfortably met in 95641.

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Possible in a good year or a favorable microclimate — click through for the caveats.

How many chill hours does 95641 get?: 95641 averages 756 chill hours per winter, ranging from 483 to 1296 across the last 10 years.
What hardiness zone is 95641?: 95641 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