December in Durham averages a daily high of 12.8°C with nights around 1.4°C. Expect roughly 9.5 wet days totalling 89.8mm. Generally workable, with some weather to plan around.
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 December data.