In May, Sleman typically sees daytime highs of 30.4°C and overnight lows around 21.3°C. Compared to the annual average high of 29.9°C, May runs +0.5°C.
May in Sleman averages a daytime high of 30.4°C and an overnight low of 21.3°C.
May runs +0.5°C compared to Sleman's annual average high of 29.9°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 30.4°C and cooler evenings around 21.3°C.