March in Amarillo averages a daily high of 17.9°C with nights around 1.3°C. Expect roughly 5.5 wet days totalling 32mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Amarillo is March–May.
Based on AMARILLO AIRPORT, TX US (11.2km), 1995–2024. 30 years of March data.