How many chill hours does 95606 get?

95606 averages 1026 chill hours per winter, ranging from 818 to 1663 across the last 10 years.

What hardiness zone is 95606?

95606 is in USDA hardiness zone 9a.

Location almanac

The short answer

95606 averages 1,026 chill hours per winter (818–1,663 across 10 years) in USDA zone 9a.

95606 climate
Average chill hours	1,026 (818–1,663 across 10 winters)
USDA hardiness zone	9a
Last spring frost	typically January 15 – March 5
First fall frost	typically November 29 – December 27

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 95606’s chill hours and zone:

Chill and zone requirements are comfortably met in 95606.

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How many chill hours does 95606 get?: 95606 averages 1026 chill hours per winter, ranging from 818 to 1663 across the last 10 years.
What hardiness zone is 95606?: 95606 is in USDA hardiness zone 9a.

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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