Well, here is my effort at a wintery effect:
Separated the hands, and made one blue with Image>Adjustment>Variations.
The icicles were a separate layer, painted. I then applied a layer style, and changed the color overlay to a bluish-gray.
The snow was a layer of white, at various opacities, with various brushes and sizes.
I also used thin "washes" of hue to enhance some of the color mottling on the skin.
I was inspired to post this challenge by this ad: