Question

what is humidity ? why do they clothes take much time to dry in rainy season

Answer 1

Humidity is the amount of water vapour in the atmosphere. Wet clothes take longer time to dry on a humid day because the air has a lot of water vapour and so it can't accomodate the water vapour created by the wet clothes. So, the water remains, in the clothes for a longer time...

Answer 2

The amount of vapour present in the atmosphere is humidity