In April, Sleman typically sees daytime highs of 30.6°C and overnight lows around 21.5°C. Compared to the annual average high of 29.9°C, April runs +0.6°C.
April in Sleman averages a daytime high of 30.6°C and an overnight low of 21.5°C.
April runs +0.6°C compared to Sleman's annual average high of 29.9°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 30.6°C and cooler evenings around 21.5°C.