As the climate can be entirely unpredictable and changeable in the mountains, early November in Banff can see everything from summery weather to wintery weather, nevertheless there is a decided drop in temperature in general.
The average daily temperature high is at 0.2°C (32°F), whereas the average minimum temperature is -8.4°C (17°F). Be prepared for extreme colds with plenty of protective, warm clothing.
It would also be advisable to take a waterproof jacket with you, also, as there is on average a rainfall of 26.8 mm over 13 days.
The average expected amount of sunshine for this month also drops considerably to only 2 hours a day.
Expect extremes of climate as well, packing accordingly, as there are on average 5 days of snow and fog expected over this month.
If you decide to travel to Banff in November there are a number of festivals and festivities to entertain you.
Banff Mountain Film Festival is a three day festival that occurs at the beginning of the month and showcases mountain films and an adventure trades show.
Also in early November is the Banff Mountain Book Festival. Both writers and readers journey to this festival to experience the seminars, talks and readings focused on mountain adventure books.
Banff Winterstart 5-Miler Night Run is a mid-November fundraising event held to raise money for the Banff Mountain Ski Academy.
The Santa Claus Parade also happens in late November, which is a parade that welcomes the arrival of Father Christmas.