June in Gastonia averages a daily high of 30.3°C with nights around 19°C. Expect roughly 9.1 wet days totalling 105mm. 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 June data.