May in Roanoke averages a daily high of 24.8°C with nights around 12.9°C. Expect roughly 12.6 wet days totalling 111.6mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Roanoke is September–October.
Based on ROANOKE BLACKSBURG REGIONAL AIRPORT, VA US (5.9km), 1995–2024. 30 years of May data.