In May, Rio Tercero typically sees daytime highs of 20.3°C and overnight lows around 7.4°C. Compared to the annual average high of 23.8°C, May runs -3.6°C.
May in Rio Tercero averages a daytime high of 20.3°C and an overnight low of 7.4°C.
May runs -3.6°C compared to Rio Tercero's annual average high of 23.8°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near 20.3°C and cooler evenings around 7.4°C.