"Fresh snow" refers to newly fallen snow that has not been stepped on or disturbed. It means that the snow is untouched and pure, without any footprints or tracks.
Sentences with «fresh snow»
The next morning, a few inches of fresh snow covers the roads. (automobilemag.com)
It was such a gorgeous, sunny day with fresh snow on the ground. (thefoxandshe.com)
This is a technique that makes your tree look like it has fresh snow on it. (amidstthechaos.ca)