Weather is probably a major factor when you plan your trip to Srithanu, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually May and June, with an average temperature of 29°C, while the coldest months are January and February, with an average of 27°C. The rainiest months in Srithanu are November, October, September and December, with each month seeing an average of 274 mm of rainfall.