July in Dartmouth averages a daily high of 22.3°C with nights around 13.8°C. Expect roughly 10.2 wet days totalling 94.6mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Dartmouth is June–September.
Based on SHEARWATER A, NS CA (7.4km), 1995–2024. 11 years of July data.