In November, Ko Samui typically sees daytime highs of 29.1°C and overnight lows around 23.6°C. Compared to the annual average high of 30.3°C, November runs -1.2°C.
November in Ko Samui averages a daytime high of 29.1°C and an overnight low of 23.6°C.
November runs -1.2°C compared to Ko Samui's annual average high of 30.3°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 29.1°C and cooler evenings around 23.6°C.