December in Toowoomba averages a daily high of 27.7°C with nights around 16.7°C. Expect roughly 9.1 wet days totalling 105.7mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Toowoomba is August–November.
Based on TOOWOOMBA AIRPORT, AS (4.5km), 1995–2024. 29 years of December data.