June in New Brunswick averages a daily high of 27.4°C with nights around 15.7°C. Expect roughly 11.6 wet days totalling 118.2mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit New Brunswick is May–June.
Based on NEW BRUNSWICK 3 SE, NJ US (2.9km), 1995–2024. 30 years of June data.