May in DeSoto averages a daily high of 28.8°C with nights around 18°C. Expect roughly 10.2 wet days totalling 109.3mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit DeSoto is March–April.
Based on DALLAS REDBIRD AIRPORT, TX US (9.9km), 1995–2024. 27 years of May data.