In May, Gualeguaychu typically sees daytime highs of 20.1°C and overnight lows around 8.8°C. Compared to the annual average high of 23.4°C, May runs -3.3°C.
May in Gualeguaychu averages a daytime high of 20.1°C and an overnight low of 8.8°C.
May runs -3.3°C compared to Gualeguaychu's annual average high of 23.4°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near 20.1°C and cooler evenings around 8.8°C.