May in Hervey Bay averages a daily high of 24.4°C with nights around 14.3°C. Expect roughly 12.2 wet days totalling 99.7mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Hervey Bay is July–October.
Based on HERVEY BAY AIRPORT, AS (11.9km), 1995–2024. 23 years of May data.