March in Pharr averages a daily high of 28°C with nights around 16.2°C. Expect roughly 4.2 wet days totalling 29mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Pharr is November–March.
Based on MCALLEN MILLER INTERNATIONAL AIRPORT, TX US (6.3km), 1995–2024. 30 years of March data.