December in Bundaberg averages a daily high of 30.2°C with nights around 20.8°C. Expect roughly 9.5 wet days totalling 120.4mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Bundaberg is May–October.
Based on BUNDABERG AERO, AS (3.5km), 1995–2024. 30 years of December data.