June in Sint-Niklaas averages a daily high of 21.5°C with nights around 11°C. Expect roughly 10.9 wet days totalling 63mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Sint-Niklaas is May–September.
Based on WESTDORPE, NL (20.8km), 1995–2024. 30 years of June data.