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In Aug, Banjarmasin typically sees ~31°C daytime highs and 22 rainy days.
Banjarmasin is the biggest city in South Kalimantan. The city population was 625,395 at the 2010 census. Average temperatures vary from 24ºC to 32ºC. The weather is mostly hot and it still has rain even if it is hot season.
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Guide content from Wikivoyage contributors (CC BY-SA).
Flight prices are real fares travellers found in the last 48 hours, refreshed daily — the booking site confirms the final price. Train, bus and ferry fares are shown on the operators' booking sites. Weather data by Open-Meteo; exchange rates: ECB reference. Data updated 2026-08-17. Some links earn Stayonomy a commission at no cost to you.