Skip to content
EveryOrchard
Menu

Location almanac

Chill hours in J0M

The short answer

J0M averages 848 chill hours per winter (6761,078 across 10 years) in USDA zone 3b.
J0M climate
Average chill hours848 (676–1,078 across 10 winters)
USDA hardiness zone3b (NRCan zone 1b)
Last spring frosttypically May 28 – June 14
First fall frosttypically September 20 – October 27

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 J0M’s chill hours and zone:

Marginal (1)

Possible in a good year or a favorable microclimate — click through for the caveats.

Marginal varieties for this location
VarietyFruit
CresthavenPeach
How many chill hours does J0M get?
J0M averages 848 chill hours per winter, ranging from 676 to 1078 across the last 10 years.
What hardiness zone is J0M?
J0M is in USDA hardiness zone 3b.

Growing fruit trees in J0M? 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