Well, being from the Caribbean zone, I haven't really seen snow myself, so I might be wrong. But... being a 3D artist, I see this issue very often. I have ran into it with my own models.
IE: I had to upload a model to Sketchfab and had a limit of 50mb total. So I had to lower the resolution of all my textures until I met the requirement. The result was very similar to what I'm talking about here.