Northern Italy. In the north of the country, temperatures decrease steeply in November. In Milan, Turin, Venice and other parts of Northern Italy, the average temperature ranges from 1 to 11 degrees Celsius (33 to 52 degrees Fahrenheit).November days can be rainy and the nights tend to get bitterly cold.Central Italy.n Milan, Turin, Venice and other parts of Northern Italy, the average temperature ranges from 1 to 11 degrees Celsius (33 to 52 degrees Fahrenheit). November days can be rainy and the nights tend to get bitterly cold.