October in Banjarmasin is the hottest month of the year. In October, the weather in Banjarmasin is typically hot. Average daily high temperature in October is about 31 degrees above zero. On average, Banjarmasin has 26 rainy, 3 sunny, and 2 partly cloudy days in October. The rains are usually heavy. October as well as January, February, March, and April is considered the most uncomfortable time to visit Banjarmasin.