Weather will likely play an important role when you plan your trip to Kandalama, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually April and May, with an average temperature of 27°C, while the coldest months are January and February, with an average of 24°C. The rainiest months in Kandalama are November, December, October and January, with each month seeing an average of 237 mm of rainfall.