May in Craigieburn averages a daily high of 16.8°C with nights around 8.2°C. Expect roughly 10.2 wet days totalling 35.7mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Craigieburn is November–April.
Based on MELBOURNE AIRPORT, AS (12.7km), 1995–2024. 30 years of May data.