January

This image depicts snow cover in January of 2015. As you can see, the Northern Hemisphere is mostly totally covered by snow. The South Pole is also completely covered, but otherwise little of the Southern Hemisphere has snow.
This image was taken from the NASA NEO webpage, in the Land Category under Snow Cover.
http://neo.sci.gsfc.nasa.gov/

This image depicts snow cover in January of 2015. As you can see, the Northern Hemisphere is mostly totally covered by snow. The South Pole is also completely covered, but otherwise little of the Southern Hemisphere has snow.