July in Kaliningrad averages a daily high of 23.5°C with nights around 14.1°C. Expect roughly 13.4 wet days totalling 96mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Kaliningrad is May–September.
Based on KALININGRAD, RS (2.8km), 1995–2024. 26 years of July data.