June in Giresun averages a daily high of 24.2°C with nights around 18.6°C. Expect roughly 13.6 wet days totalling 94.8mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Giresun is May–October.
Based on GIRESUN, TU (0.4km), 1995–2024. 15 years of June data.