July in Gillingham averages a daily high of 23.7°C with nights around 12.5°C. Expect roughly 9.8 wet days totalling 47.7mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Gillingham is May–September.
Based on WISLEY, UK (10.2km), 1995–2024. 28 years of July data.