March in Nanaimo averages a daily high of 9.1°C with nights around 4.9°C. Expect roughly 17.7 wet days totalling 84.6mm. 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. 28 years of March data.