August in North Bay averages a daily high of 23.3°C with nights around 13°C. Expect roughly 11.5 wet days totalling 89.4mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit North Bay is June–September.
Based on NORTH BAY A, ON CA (6.7km), 1995–2024. 18 years of August data.