How many chill hours does 95663 get?

95663 averages 1057 chill hours per winter, ranging from 819 to 1519 across the last 10 years.

What hardiness zone is 95663?

95663 is in USDA hardiness zone 9b.

Location almanac

The short answer

95663 averages 1,057 chill hours per winter (819–1,519 across 10 years) in USDA zone 9b.

95663 climate
Average chill hours	1,057 (819–1,519 across 10 winters)
USDA hardiness zone	9b
Last spring frost	typically January 11 – March 1
First fall frost	typically 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 95663’s chill hours and zone:

Chill and zone requirements are comfortably met in 95663.

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How many chill hours does 95663 get?: 95663 averages 1057 chill hours per winter, ranging from 819 to 1519 across the last 10 years.
What hardiness zone is 95663?: 95663 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