April in Södermalm averages a daily high of 10.7°C with nights around 2.5°C. Expect roughly 10.5 wet days totalling 40.1mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Södermalm is June–August.
Based on STOCKHOLM A, SW (3.2km), 1995–2024. 28 years of April data.