In May, Sao Mateus typically sees daytime highs of 28.0°C and overnight lows around 18.7°C. Compared to the annual average high of 28.8°C, May runs -0.7°C.
May in Sao Mateus averages a daytime high of 28.0°C and an overnight low of 18.7°C.
May runs -0.7°C compared to Sao Mateus's annual average high of 28.8°C, ranking #8 of 12 months by warmth.
Plan for daytime highs near 28.0°C and cooler evenings around 18.7°C.