January in Hervey Bay averages a daily high of 30.3°C with nights around 22°C. Expect roughly 10.8 wet days totalling 124.4mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Hervey Bay is July–October.
Based on HERVEY BAY AIRPORT, AS (11.9km), 1995–2024. 25 years of January data.