December in Palu averages a daily high of 33°C with nights around 23.3°C. Expect roughly 4.5 wet days totalling 18.7mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Palu is February–December.
Based on MUTIARA, ID (4.5km), 1995–2024. 23 years of December data.