italy has lots of snow
Yes there have been snow storms in italy!
It might. Not so much, rarely..
Nov. 1 - April 15 in PA
Florence
Italy doesn't really receive very much snow. The average rain and snow mix is around 30 inches total a year.
will it be snowing in march at Lake Como
That depends in which location you were situated at the time.
In the mountains in the extreme north, you betcha. In Naples, no.
Germany Italy, Japan, and Vichy France in North Africa in Nov 1942.
During winter from mid Nov to mid Mar, Chengdu is usually 4-14℃. No strong wind. No snow (I've grown up in Chengdu and only seen snow twice). Chengdu is not cold.
France, Italy, Switzerland, Austria and Sweden.