Skip to content
EveryOrchard
Menu

Location almanac

Chill hours in 95913

The short answer

95913 averages 915 chill hours per winter (7191,429 across 10 years) in USDA zone 9b.
95913 climate
Average chill hours915 (719–1,429 across 10 winters)
USDA hardiness zone9b
Last spring frosttypically January 15 – February 26
First fall frosttypically November 29 – 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 95913’s chill hours and zone:

How many chill hours does 95913 get?
95913 averages 915 chill hours per winter, ranging from 719 to 1429 across the last 10 years.
What hardiness zone is 95913?
95913 is in USDA hardiness zone 9b.

Growing fruit trees in 95913? Get a care calendar anchored to this exact climate, with email reminders.

Start My Orchard

Sources

  1. [1] Open-Meteo / Copernicus ERA5. Historical Weather API (hourly 2m temperature) — accessed July 2026
  2. [2] USDA / PRISM (Oregon State University). 2023 USDA Plant Hardiness Zone Map — accessed July 2026