August in Pekanbaru averages a daily high of 32.8°C with nights around 22°C. Expect roughly 5.3 wet days totalling 63.9mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Pekanbaru is June–September.
Based on SULTAN SYARIF KASIM II, ID (6.2km), 1995–2024. 16 years of August data.