The two sides struggled for hours in the hot summer sun.

VOA: special.2009.09.24

and in the summer time you see a lot of people over there getting some sun.

在夏天，你可以看到许多人在那里晒太阳。

哥伦布的故事 - SpeakingMax英语口语达人

They also provide shade from the sun, so they reduce cooling costs in summer.

VOA: special.2009.09.08