If you're looking forward to lots of outings with your partner, take a look at these details about year-round temperatures in Kalianda: The hottest months are usually October and September, with an average temperature of 26°C, while the coldest months are August and September, with an average of 26°C. The rainiest months in Kalianda are March, February, January and December, with each month seeing an average of 378 mm of rainfall.