May in Canberra averages a daily high of 16.6°C with nights around 6.3°C. Expect roughly 7.6 wet days totalling 33.4mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Canberra is February–April.
Based on CANBERRA FORESTRY, AS (3.1km), 1995–2024. 22 years of May data.