summer - choose a jigsaw puzzle to solve

Summer is the hottest of the four temperate seasons, falling after spring and before autumn . At the summer solstice, the days are longest and the nights are shortest, with day - length decreasing as the season progresses after the solstice. The date of the beginning of summer varies according to climate , tradition and culture . When it is summer in the Northern Hemisphere , it is winter in the Southern Hemisphere, and vice-versa.