Summer was a season.
The exploding warp core engines of a Rutan ship created a time bubble around Stockbridge. Millennia passed inside it, but it was always summer. The Fifth Doctor, Nyssa and Maxwell Edison "popped" the bubble, finally bringing autumn to the town. (AUDIO: The Eternal Summer)
In the United States of America, the summer of 1967 was referred to by the counterculture movement as the Summer of Love. (PROSE: Wonderland)
While visiting London during the summer in the 17th century, the Fifth Doctor and Nyssa were arrested for forgery by Sir Isaac Newton. (AUDIO: Summer)
Andy Warhol painted all eleven incarnations of the Doctor during the summer of 1966. (PROSE: The War of Art)
The Eleventh Doctor, Amy Pond and Rory Williams stopped Sammy Star using a Weeping Angel in his magic act in summer 2012. (PROSE: Magic of the Angels)
After escaping its imprisonment by the Time Lords, the Kin went to Earth in the summer of 1984. It started buying property using money recycled through time to attract the Eleventh Doctor as part of its plan to control all time. (PROSE: Nothing O'Clock)
Ewan Lloyd was an accountant who lived in Cardiff. He had been a heavy alcoholic until circa the summer of 2008 when he gave up drinking for the sake of his wife and daughter. (PROSE: SkyPoint)