In India there are many places where you can witness snowfall in month of December . Jammu and Kashmir, Himachal Pradesh, Sikkim, Arunachal Pradesh and Uttarakhand. Other than India, places like Germany, Akita in Japan, Canada, New Zealand .
Hi Shubham, Srinagar, Auli and Manali are good options to pick from. These places look like a fairyland in the winters, as they receive a lot of rainfall. You can also visit Canada, Switzerland, New York City/Vermont to enjoy the snow and experience fun snow activities like Skiing, snow boarding etc. Please go through the following article for more information.