May in Belgrade averages a daily high of 23.7°C with nights around 13.3°C. Expect roughly 11.6 wet days totalling 79.2mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Belgrade is May–June.
Based on BELGRADE OBSERVATORY, RI (0.5km), 1995–2024. 30 years of May data.