June in Hull averages a daily high of 24.5°C with nights around 13.7°C. Expect roughly 12.9 wet days totalling 97.8mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Hull is May–September.
Based on OTTAWA CDA, ON CA (5km), 1995–2024. 29 years of June data.