How many chill hours does 98110 get?

98110 averages 2430 chill hours per winter, ranging from 2259 to 2790 across the last 10 years.

What hardiness zone is 98110?

98110 is in USDA hardiness zone 9a.

Location almanac

The short answer

98110 averages 2,430 chill hours per winter (2,259–2,790 across 10 years) in USDA zone 9a.

98110 climate
Average chill hours	2,430 (2,259–2,790 across 10 winters)
USDA hardiness zone	9a
Last spring frost	typically February 23 – April 4
First fall frost	typically November 18 – December 25

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 98110’s chill hours and zone:

Chill and zone requirements are comfortably met in 98110.

Show 87 more good fit varieties

How many chill hours does 98110 get?: 98110 averages 2430 chill hours per winter, ranging from 2259 to 2790 across the last 10 years.
What hardiness zone is 98110?: 98110 is in USDA hardiness zone 9a.

Growing fruit trees in 98110? 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