March in Weihai averages a daily high of 7.3°C with nights around 1.9°C. Expect roughly 3.8 wet days totalling 20.3mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Weihai is September–October.
Based on CHENGSHANTOU, CH (51.7km), 1995–2024. 24 years of March data.