October in Reynosa averages a daily high of 31.6°C with nights around 19.8°C. Expect roughly 5.9 wet days totalling 47.1mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Reynosa is November–March.
Based on MCALLEN MILLER INTERNATIONAL AIRPORT, TX US (11.7km), 1995–2024. 29 years of October data.