December in Carrollton averages a daily high of 15.2°C with nights around 3.9°C. Expect roughly 6.2 wet days totalling 66.1mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Carrollton is March–April.
Based on DAL FTW WSCMO AIRPORT, TX US (13.8km), 1995–2024. 30 years of December data.