July in Reynosa averages a daily high of 36.6°C with nights around 25.3°C. Expect roughly 5.2 wet days totalling 62mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Reynosa is November–March.
Based on MCALLEN MILLER INTERNATIONAL AIRPORT, TX US (11.7km), 1995–2024. 30 years of July data.