Planning for the weather is a good way to make your trip to Palembang relaxing and enjoyable, especially when you’re splurging. The hottest months are usually September and October, with an average temperature of 27°C, while the coldest months are July and August, with an average of 27°C. The rainiest months in Palembang are November, April, March and December, with each month seeing an average of 327 mm of rainfall.