Seasonal affective disorder is often associated with the colder months, but some experience it during the summer too.
The NHS has said that SAD is sometimes known as "winter depression", with more severe symptoms around darker nights and colder weather. But around 10% of those with SAD experience it during the summer season according to scientific research.
There are several reasons why some may suffer from SAD that are linked to warmer weather. Here is a rundown of everything you need to know about SAD during summer.