In April, Ko Samui typically sees daytime highs of 31.7°C and overnight lows around 24.9°C. Compared to the annual average high of 30.3°C, April runs +1.5°C.
April in Ko Samui averages a daytime high of 31.7°C and an overnight low of 24.9°C.
April runs +1.5°C compared to Ko Samui's annual average high of 30.3°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 31.7°C and cooler evenings around 24.9°C.