If you’re looking forward to lots of outings with your partner, take a look at these details about year-round temperatures in Palangkaraya: The hottest months are usually October and September, with an average temperature of 27°C, while the coldest months are July and August, with an average of 26°C. The rainiest months in Palangkaraya are March, November, April and December, with each month seeing an average of 334 mm of rainfall.