May in Toowoomba averages a daily high of 19.8°C with nights around 10°C. Expect roughly 6.5 wet days totalling 45.1mm. 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. 28 years of May data.