July in Glasgow averages a daily high of 18.8°C with nights around 11.4°C. Expect roughly 16.3 wet days totalling 84.9mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Glasgow is June–September.
Based on AUCHINCRUIVE, UK (47.3km), 1995–2024. 26 years of July data.