March in Chatham averages a daily high of 12°C with nights around 3.3°C. Expect roughly 11.7 wet days totalling 41.8mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Chatham is May–September.
Based on WISLEY, UK (8.5km), 1995–2024. 28 years of March data.