August in Sousse averages a daily high of 38.1°C with nights around 23.4°C. Expect roughly 3.6 wet days totalling 16.9mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Sousse is October–April.
Based on KAIROUAN, TS (51.4km), 1995–2024. 20 years of August data.