In May, Matamoros typically sees daytime highs of 34.6°C and overnight lows around 16.8°C. Compared to the annual average high of 29.4°C, May runs +5.2°C.
May in Matamoros averages a daytime high of 34.6°C and an overnight low of 16.8°C.
May runs +5.2°C compared to Matamoros's annual average high of 29.4°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 34.6°C and cooler evenings around 16.8°C.