In May, Ilheus typically sees daytime highs of 27.7°C and overnight lows around 20.8°C. Compared to the annual average high of 28.1°C, May runs -0.4°C.
May in Ilheus averages a daytime high of 27.7°C and an overnight low of 20.8°C.
May runs -0.4°C compared to Ilheus's annual average high of 28.1°C, ranking #8 of 12 months by warmth.
Plan for daytime highs near 27.7°C and cooler evenings around 20.8°C.