May in Durham averages a daily high of 26.7°C with nights around 14.3°C. Expect roughly 10.3 wet days totalling 86.9mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Durham is April–May.
Based on RALEIGH DURHAM INTERNATIONAL AIRPORT, NC US (15.4km), 1995–2024. 30 years of May data.