Weather will likely play an important role when you plan your trip to Mararikulam, but bear in mind that cheaper options are usually available when the weather isn’t as good. The hottest months are usually March and April, with an average temperature of 28°C, while the coldest months are January and December, with an average of 27°C. The rainiest months in Mararikulam are June, July, August and May, with each month seeing an average of 574 mm of rainfall.