March in Ambalantota averages a daily high of 32°C with nights around 24.2°C. Expect roughly 5 wet days totalling 52.7mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Ambalantota is January–April.
Based on HAMBANTOTA, CE (12.3km), 1995–2024. 14 years of March data.