In May, Dumai typically sees daytime highs of 32.6°C and overnight lows around 22.8°C. Compared to the annual average high of 31.9°C, May runs +0.7°C.
May in Dumai averages a daytime high of 32.6°C and an overnight low of 22.8°C.
May runs +0.7°C compared to Dumai's annual average high of 31.9°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 32.6°C and cooler evenings around 22.8°C.