April in Chatham averages a daily high of 15.2°C with nights around 4.7°C. Expect roughly 9.8 wet days totalling 39.8mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Chatham is May–September.
Based on WISLEY, UK (8.5km), 1995–2024. 29 years of April data.