August in Tarragona averages a daily high of 30.4°C with nights around 20.2°C. Expect roughly 4.3 wet days totalling 32mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Tarragona is March–July.
Based on REUS AEROPUERTO, SP (6.5km), 1995–2024. 29 years of August data.