March in Karlskrona averages a daily high of 5.9°C with nights around 1°C. Expect roughly 10.3 wet days totalling 24mm. A hard month to visit for comfort alone.
Across the year, the best time to visit Karlskrona is June–September.
Based on KARLSKRONA SODERSTJ., SW (1.3km), 1995–2024. 15 years of March data.