June in Nanaimo averages a daily high of 18.2°C with nights around 12.9°C. Expect roughly 9.8 wet days totalling 37.9mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Nanaimo is July–August.
Based on ENTRANCE ISLAND, BC CA (10.6km), 1995–2024. 28 years of June data.