It gets very hot and stuffy in here in summer.

这里夏天很热很闷。

《牛津词典》

It was a terribly hot summer day when the group of us appeared on the basketball court.

那是一个非常炎热的夏天，我们这群人出现在篮球场上。

youdao

It has been especially hot this summer.

今年夏天特别热。

youdao

The snow is so deep in some areas that it will stay on the ground well into the hot days of summer.

VOA: special.2009.08.12

Yeah, Arizona. It's really hot in the summer.

好的，亚利桑纳州。夏天真的很热。

沙漠之城-菲尼克斯 - SpeakingMax英语口语达人

(LOVIN' SPOONFUL - "SUMMER IN THE CITY") Even though it was hot, Sly and the Family Stone still found ways to have fun in the summertime.

VOA: special.2009.06.22

If this continues for a bit longer, it could increase natural gas withdrawals, and if we see a hot summer, it could add to the woes for Rentech going forward.

FORBES: Surging Natural Gas Prices Takes Toll On Rentech

In Texas, the Fort Worth suburb of Southlake banned fracking during the hot summer months because it drains the town's water supply.

WSJ: As energy boom nears cities, a backlash grows

Not long ago we thought this speech would be dominated by the riots, by Britain's long hot summer, but instead it was overshadowed by the economic storm still breaking around our heads.

BBC: Tory conference: Cameron's national pep talk