I think Noctophobia is the fear of night, so it might be the same for dark :P
Fear of the dark-Nyctophobia
R U Nyctophobia
Nyctophobia- Fear of the Dark
Achluophobia
Nyctophobia
scared
Nyctophobia
He was afraid of the dark
dogaphobia
Cyprindaphobia
Thanatophobia
Phronemophobia
There is not a specific phobia name for a ski phobia. There is a snow phobia that is called chionophobia and if someone were afraid of snow, they would not enjoy skiing.
Agoraphobia
Scholiophobia
nyctophobia
Thanatophobia or Thantophobia
Anablephobia.
Luddite