Towards the close of summer season premonsoon showers are common especially in kerala and karnataka.
they help in early ripening of mango hence they are call mango showers..
These rains normally occur from may\june, although their arrival is often difficult to predict. Their intensity can range from light showers to heavy and persistent thunderstorms. In India, the mango showers occurs as the result of thunderstorm development over the Bay of Bengal.
they are also known as april rains or summer showers
feature of hot weather season --loo,thunder storm ,dust storm