Planning for the weather is an important factor for making your trip to Banjarbaru a success, especially when you’re splurging. 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 Banjarbaru are December, March, January and November, with each month seeing an average of 370 mm of rainfall.