March in Tournai averages a daily high of 11.4°C with nights around 3.8°C. Expect roughly 12.5 wet days totalling 53.3mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Tournai is May–September.
Based on LILLE LESQUIN, FR (21km), 1995–2024. 30 years of March data.