Planning for the weather is an important factor for making your trip to Kataragama a success, especially when you’re splurging. 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 Kataragama are November, December, October and April, with each month seeing an average of 195 mm of rainfall.