When planning a visit to South Kalimantan in Indonesia, it helps to know that temperatures typically range from 31°C (88°F) in January up to 33°C (91°F) during the peak of September. Our detailed climate overview is based on data from Banjarmasin, the region's most well-known city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
South Kalimantan, and particularly Banjarmasin, experiences consistently warm weather throughout the year, with average highs always exceeding 31°C (88°F).
The hottest season always takes place in August, September and October.
When it comes to rainfall, South Kalimantan sees significant variations throughout the year. December tends to be the wettest, receiving 368 mm (14 in) of rain, while August is much drier with just 56 mm (2.2 in). Travelers should note that the rainy season falls during January, February, March, April, November and December, bringing substantial precipitation ranging from 256 mm (10 in) to 368 mm (14 in) monthly.