How many chill hours does 93313 get?

93313 averages 964 chill hours per winter, ranging from 755 to 1361 across the last 10 years.

What hardiness zone is 93313?

93313 is in USDA hardiness zone 9b.

Location almanac

The short answer

93313 averages 964 chill hours per winter (755–1,361 across 10 years) in USDA zone 9b.

93313 climate
Average chill hours	964 (755–1,361 across 10 winters)
USDA hardiness zone	9b
Last spring frost	typically January 12 – February 26
First fall frost	typically December 8 – December 20

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 93313’s chill hours and zone:

Chill and zone requirements are comfortably met in 93313.

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How many chill hours does 93313 get?: 93313 averages 964 chill hours per winter, ranging from 755 to 1361 across the last 10 years.
What hardiness zone is 93313?: 93313 is in USDA hardiness zone 9b.

Growing fruit trees in 93313? Get a care calendar anchored to this exact climate, with email reminders.

[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