March in Tarakan averages a daily high of 30.9°C with nights around 24.6°C. Expect roughly 8 wet days totalling 57.8mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Tarakan is July–January.
Based on JUWATA, ID (3.2km), 1995–2024. 12 years of March data.