August in Southport averages a daily high of 20.4°C with nights around 12.6°C. Expect roughly 16.2 wet days totalling 96.9mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Southport is May–September.
Based on PRESTON MOOR PARK, UK (24.7km), 1995–2024. 24 years of August data.