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Chill hours in G0X

The short answer

G0X averages 934 chill hours per winter (7241,112 across 10 years) in USDA zone 4a.
G0X climate
Average chill hours934 (724–1,112 across 10 winters)
USDA hardiness zone4a (NRCan zone 2b)
Last spring frosttypically May 18 – May 31
First fall frosttypically September 24 – October 23

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 G0X’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
ReliancePeach
How many chill hours does G0X get?
G0X averages 934 chill hours per winter, ranging from 724 to 1112 across the last 10 years.
What hardiness zone is G0X?
G0X is in USDA hardiness zone 4a.

Growing fruit trees in G0X? Get a care calendar anchored to this exact climate, with email reminders.

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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