Skip to content
EveryOrchard
Menu

Location almanac

Chill hours in V9B

The short answer

V9B averages 2,649 chill hours per winter (2,3072,989 across 10 years) in USDA zone 9a.
V9B climate
Average chill hours2,649 (2,307–2,989 across 10 winters)
USDA hardiness zone9a (NRCan zone 9a)
Last spring frosttypically February 1 – April 11
First fall frosttypically November 4 – December 8

Computed from 10 winters of ERA5 hourly temperature (Open-Meteo, 2015–2025); zones from USDA PHZM 2023 / NRCan 1981–2010. Data updated July 3, 2026. See methodology.

Every variety in our database, checked against V9B’s chill hours and zone:

How many chill hours does V9B get?
V9B averages 2649 chill hours per winter, ranging from 2307 to 2989 across the last 10 years.
What hardiness zone is V9B?
V9B is in USDA hardiness zone 9a.

Growing fruit trees in V9B? 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] Natural Resources Canada. Plant Hardiness Zones of Canada — accessed July 2026