6 places · 1991–2020 normals

Where is it
snow in October?

Three or more days with recorded snowfall, averaged across the station's record.

October normals for places qualifying as snow — one place per weather station, at most three per country, largest first
PlaceDayNightRainWet daysSnow days
Grande PrairieCanada9.1°C-2.4°C30 mm74.3
CheyenneUnited States15.1°C0.9°C25 mm53.2
BozemanUnited States14.6°C0.3°C47 mm73
Centre CityCanada11.4°C-1.4°C17 mm54.2
ButteUnited States12.3°C-2.9°C22 mm54.6
OkotoksCanada11.5°C-1.5°C26 mm64.3

Lists are capped at one place per station because roughly a hundred settlements share each one, and at three per country so a single large country cannot fill the table. A place missing here is not disqualified — it may simply sit behind a bigger neighbour on the same station.