June in Plymouth averages a daily high of 18.9°C with nights around 11.5°C. Expect roughly 11.9 wet days totalling 61.7mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Plymouth is June–September.
Based on PLYMOUTH MOUNTBATTEN, UK (2.5km), 1995–2024. 28 years of June data.