How’s your weather today?
Weather is one particularly large indicator of how your mood is going to turn out for the day, and if you have ever thought that the weather seems to be an apt metaphor for your mood (a pathetic fallacy as it is known in literature) then most likely the link is there indeed but the correlation is actually working the other way around.
The first and most well known way in which weather affects mood is in what is known as ‘seasonal affective disorder’ – abbreviated rather appropriately to ‘SAD’.
There are various explanations as to why someone might experience SAD, but generally it is believed to relate to the amount of light. This then means that it is not in fact the cold of winter that causes the depression, but rather the lack of light getting into your brain.