In May, Guaiba typically sees daytime highs of 22.0°C and overnight lows around 12.2°C. Compared to the annual average high of 24.8°C, May runs -2.8°C.
May in Guaiba averages a daytime high of 22.0°C and an overnight low of 12.2°C.
May runs -2.8°C compared to Guaiba's annual average high of 24.8°C, ranking #8 of 12 months by warmth.
Plan for daytime highs near 22.0°C and cooler evenings around 12.2°C.