March in Trincomalee averages a daily high of 31.5°C with nights around 24.4°C. Expect roughly 4.2 wet days totalling 62.7mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Trincomalee is January–March.
Based on CHINA BAY, CE (6.7km), 1995–2024. 10 years of March data.