June in Siirt averages a daily high of 33.3°C with nights around 20.9°C. Expect roughly 4.3 wet days totalling 11.4mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Siirt is April–May.
Based on SIIRT, TU (1.6km), 1995–2024. 12 years of June data.