December in Mansfield averages a daily high of 15.6°C with nights around 3.4°C. Expect roughly 6.6 wet days totalling 62.6mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Mansfield is March–April.
Based on ARLINGTON MUNICIPAL AIRPORT, TX US (11.4km), 1995–2024. 28 years of December data.