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Chill hours in P8T

The short answer

P8T averages 888 chill hours per winter (4321,294 across 10 years) in USDA zone 4b.
P8T climate
Average chill hours888 (432–1,294 across 10 winters)
USDA hardiness zone4b (NRCan zone 3a)
Last spring frosttypically May 4 – May 19
First fall frosttypically October 16 – November 1

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 P8T’s chill hours and zone:

Marginal (3)

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

Marginal varieties for this location
VarietyFruit
ContenderPeach
CresthavenPeach
ReliancePeach
How many chill hours does P8T get?
P8T averages 888 chill hours per winter, ranging from 432 to 1294 across the last 10 years.
What hardiness zone is P8T?
P8T is in USDA hardiness zone 4b.

Growing fruit trees in P8T? 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