April in Giresun averages a daily high of 14.7°C with nights around 8.7°C. Expect roughly 14.4 wet days totalling 68.8mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Giresun is May–October.
Based on GIRESUN, TU (0.4km), 1995–2024. 15 years of April data.