悶熱

闷热
mēn
  1. sultry
  2. sultriness
  3. hot and stuffy
  4. stifling hot

CEDICT

  1. (of an environment) hot and stuffy; muggy
  2. hot and stuffy; muggy

Wiktionary

天氣空氣流通

重編國語辭典

天氣空氣流通

維基詞典

Examples

夏天总是闷热而又潮湿。

Summer is always hot and humid.

Source: Tatoeba

台北的夏天非常悶熱潮濕喔!

Summer in Taipei is very hot and humid!

Source: Tatoeba

Entry Composition