June in Karlskrona averages a daily high of 19.9°C with nights around 13.4°C. Expect roughly 9.3 wet days totalling 44.5mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Karlskrona is June–September.
Based on KARLSKRONA SODERSTJ., SW (1.3km), 1995–2024. 15 years of June data.