March in Dallas averages a daily high of 21°C with nights around 9.8°C. Expect roughly 8.2 wet days totalling 94.4mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Dallas is March–April.
Based on DALLAS FAA AIRPORT, TX US (6.7km), 1995–2024. 30 years of March data.