October in Gillingham averages a daily high of 16.2°C with nights around 7.9°C. Expect roughly 14.7 wet days totalling 79.1mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Gillingham is May–September.
Based on WISLEY, UK (10.2km), 1995–2024. 27 years of October data.