July in Manchester averages a daily high of 28°C with nights around 15.4°C. Expect roughly 10.1 wet days totalling 106.8mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Manchester is May–September.
Based on MASSABESIC LAKE, NH US (5.1km), 1995–2024. 28 years of July data.