July in Rostov-on-Don averages a daily high of 30.3°C with nights around 20.5°C. Expect roughly 6.5 wet days totalling 37.9mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Rostov-on-Don is May–June.
Based on TAGANROG LIGHTHOUSE, RS (57.3km), 1995–2024. 24 years of July data.