May in Mansfield averages a daily high of 29.3°C with nights around 17.9°C. Expect roughly 9.2 wet days totalling 110.6mm. 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. 27 years of May data.