闷热天气 meaning in English

muggy weather
oppressive weather
sultry weather

The east and parts of the midwest suffered heavy rains and extreme heat
东部和中西部地区遭受严重降雨和高温闷热天气。
Sweltering temperatures sweeping europe have brought a plague of jellyfish to spain ' s eastern seashores , forcing holidaymakers to stay out of the sea , the red cross said on thursday
西班牙红十字会7月27日表示，横扫欧洲的高温闷热天气近日使得该国东部海岸地区的水母?滥成灾，并迫使那些度假者不得不为此而退避三舍。
That day , a torrential rain turned the initially hot , dull hong kong weather into a cool and refreshing climate . although it was still raining that evening , several thousand earnest truth aspirants were not deterred from visiting the lecture venue , queen elizabeth stadium in the city s wan chai district
上天频频下起阵雨，几天来的闷热天气顿时被洗涤得清新爽朗，虽然到傍晚时分仍淅淅沥沥落个不停，却没能阻挡住几千人渴望的心，前来聆听真理。