Question

how is humidity in Chennai is different from thar

Answer 1

The following points may help you:
'
a. Chennai being in close proximity to ocean, the air there holds more water that evaporates from ocean and experiences heavy rainfall.
b. Further Chennai is closer to equator and witnesses hot and wet climate causing humidity.
b. Jaisalmer on the other hand is a desert, with warm and dry climate.It experiences little rainfall and less humidity.

Answer 2

$\large{\sf{\red{\underline{\underline{GOOD \:AFTERNOON}}}}}$

Chennai has a higher humidity because it is a coastal city. The water vapour from the sea , so the humidity is high....

$\huge\mathcal\color{teal}Hope\:it\:helps!!$