Question

why jaipur has a high annual range of temperature than mumbai

Answer 1

jaipur is located in rajasthan.rajasthan is partially a desert.jaipur being ocated near the desert is effected by the hot and dry climate of the desert.
mumbai is located along the coast .it receive the cool breeze from the coast.

Answer 2

because 
1.it is away from the sea
2.and does not receive heavy rainfall and thus the land gets heated up
3.and winds are responsible for rainfall
4.location of the place also varies
5.climatology tells us the Jaipur is warmer than Mumbai through the different studies which are proved  

so Jaipur temperature is usually hotter than mumbai