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Chill hours in S7V

The short answer

S7V averages 882 chill hours per winter (5071,282 across 10 years) in USDA zone 3b.
S7V climate
Average chill hours882 (507–1,282 across 10 winters)
USDA hardiness zone3b (NRCan zone 3a)
Last spring frosttypically April 30 – May 21
First fall frosttypically September 22 – October 12

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 S7V’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 S7V get?
S7V averages 882 chill hours per winter, ranging from 507 to 1282 across the last 10 years.
What hardiness zone is S7V?
S7V is in USDA hardiness zone 3b.

Growing fruit trees in S7V? 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