July in Karlskrona averages a daily high of 21.7°C with nights around 15.6°C. Expect roughly 11 wet days totalling 56.1mm. 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 July data.