March in Tarija averages a daily high of 26.7°C with nights around 14.2°C. Expect roughly 16 wet days totalling 104.8mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Tarija is April–October.
Based on TARIJA, BL (3.5km), 1995–2024. 13 years of March data.