May in Samarinda averages a daily high of 32.5°C with nights around 24.5°C. Expect roughly 9 wet days totalling 102.6mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Samarinda is July–September.
Based on TEMINDUNG, ID (1.4km), 1995–2024. 21 years of May data.