April in Nanaimo averages a daily high of 11.7°C with nights around 6.9°C. Expect roughly 14 wet days totalling 50.8mm. Demanding conditions — pack for it and plan indoor options.
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 April data.