July in Belgrade averages a daily high of 29.7°C with nights around 18.8°C. Expect roughly 8.1 wet days totalling 64.7mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Belgrade is May–June.
Based on BELGRADE OBSERVATORY, RI (0.5km), 1995–2024. 30 years of July data.