April in Tarakan averages a daily high of 31.3°C with nights around 24.7°C. Expect roughly 11 wet days totalling 119.6mm. 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. 15 years of April data.