In May, Diadema typically sees daytime highs of 23.8°C and overnight lows around 13.9°C. Compared to the annual average high of 25.6°C, May runs -1.7°C.
May in Diadema averages a daytime high of 23.8°C and an overnight low of 13.9°C.
May runs -1.7°C compared to Diadema's annual average high of 25.6°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 23.8°C and cooler evenings around 13.9°C.