The peak season to visit Kerala is from September to March. The climate at this time of the year is extremely pleasant and moderate. The Monsoons, beginning from the month of June extending up to last of August, is also a wonderful time to visit as it is the best time to get Ayurvedic treatments and the prices are much cheaper at the time. The offseason is from April to May. People usually don't prefer this season due to the extremely hot climate.
Head to any of the waterfalls of Kerala in your visit, as they will be in their fullest energy and liveliness during the monsoon.
Try to contact any efficient travel firm who could assist you in every step of your journey to a new place like Kerala.
Do not forget to pack umbrellas and raincoats as you cannot predict exactly when it is really going to shower.
Avoid stepping into the rough seas, when it heavily rains in the coastal line of Kerala as they are proved to be fatal.