July in Northampton averages a daily high of 22.9°C with nights around 12°C. Expect roughly 10.8 wet days totalling 56.3mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Northampton is June–September.
Based on WELLESBOURNE, UK (49.3km), 1995–2024. 29 years of July data.