1) Fear of the sun 
fear of sunlight
Heliophobia is the fear of the sun, sunlight, or any bright light. ==Causes== This phobia, like all phobias, originated from a traumatic experience in the past, such as a severe sunburn. The Pacific Health Center suggested that these people have been staying away from the sunlight because of the growing fears with skin cancer. This is not technica...
fear of sunlight
<psychology> Morbid fear of exposure to the sun's rays. ... Origin: helio-+ G. Phobos, fear ... (05 Mar 2000) ... 
Type: Term Pronunciation: hē′lē-ō-fō′bē-ă Definitions: 1. Morbid fear of exposure to the sun's rays.
Heliophobia is the fear of sun.
heliophobia 1. An irrational fear of sunlight. 2. An abnormal sensitivity to the effects of sunlight; a strong aversion to sunlight. In some cases, it may be based on the many warnings that one may get skin cancer from exposure to the sun. 3. In biology, intolerant of high light intensity; shade-loving.