July in Nanaimo averages a daily high of 20.9°C with nights around 15.6°C. Expect roughly 5.5 wet days totalling 20mm. 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. 27 years of July data.