The phrase "less snow" means that there is a smaller amount of snow compared to usual or previous instances.
Sentences with «less snow»
In many locations across the country, the snow season is getting shorter, with less snow at the beginning and the end. (wxshift.com)
There could also be less precipitation overall because of warming, or because what falls as snow melts earlier, so that by spring, there is less snow on the ground. (scientificamerican.com)
Today, scientists are finding that not only is more precipitation across the region arriving as rain, but also less snow overall is falling. (treehugger.com)