June in Montreuil averages a daily high of 24.6°C with nights around 14.5°C. Expect roughly 10.7 wet days totalling 52.9mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Montreuil is May–September.
Based on PARIS MONTSOURIS, FR (9km), 1995–2024. 19 years of June data.