In May, Rio Grande typically sees daytime highs of 20.0°C and overnight lows around 13.0°C. Compared to the annual average high of 21.7°C, May runs -1.7°C.
May in Rio Grande averages a daytime high of 20.0°C and an overnight low of 13.0°C.
May runs -1.7°C compared to Rio Grande's annual average high of 21.7°C, ranking #8 of 12 months by warmth.
Plan for daytime highs near 20.0°C and cooler evenings around 13.0°C.