April in Siirt averages a daily high of 20°C with nights around 10.5°C. Expect roughly 12.4 wet days totalling 84.2mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Siirt is April–May.
Based on SIIRT, TU (1.6km), 1995–2024. 13 years of April data.