Weather will likely play an important role when you plan your trip to Debarawewa, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually April and June, with an average temperature of 28°C, while the coldest months are January and February, with an average of 27°C. The rainiest months in Debarawewa are November, December, October and April, with each month seeing an average of 194 mm of rainfall.