What is the fear of snow called?

Chionophobia

The fear of snow is called chionophobia. The word "chion" comes from the Greek word for "snow". People with chionophobia may avoid going outside in the snow altogether, or to experience severe anxiety when they are around snow.

The other options are:

• Cacophobia: fear of ugliness
• Catagelophobia: fear of being ridiculed
• Catoptrophobia: fear of mirrors