Fall and winter SAD
Symptoms specific to winter-onset SAD, sometimes called winter depression, may include:
Irritability
Tiredness or low energy
Problems getting along with other people
Hypersensitivity to rejection
Heavy, “leaden” feeling in the arms or legs
Oversleeping
Appetite changes, especially a craving for foods high in carbohydrates
Weight gain
Spring and summer SAD
Symptoms specific to summer-onset seasonal affective disorder, sometimes called summer depression, may include:
Depression
Trouble sleeping (insomnia)
Weight loss
Poor appetite
Agitation or anxiety
Source:
http://www.mayoclinic.org/diseases-conditions/seasonal-affective-disorder/basics/symptoms/con-20021047