May in Townsville averages a daily high of 28.2°C with nights around 17.9°C. Expect roughly 4.2 wet days totalling 29mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Townsville is June–September.
Based on TOWNSVILLE AERO, AS (4.6km), 1995–2024. 30 years of May data.