August in Gastonia averages a daily high of 31.5°C with nights around 20.6°C. Expect roughly 9.6 wet days totalling 104.8mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Gastonia is April–May.
Based on GASTONIA, NC US (4km), 1995–2024. 30 years of August data.