Koh Samet Weather in May

Koh Samet in May sees very high temperatures, with highs around 31°C (88°F) and overnight lows of 27°C (81°F). With the rainy season in full effect, expect around 287 mm (11 in) of rainfall and regular showers throughout the month.

Rainfall in Koh Samet in May

Koh Samet is in the rainy season in May, with rain on around 16 days and an average of 287 mm (11 in). Showers during the rainy season tend to be heavy and can come down intensely. An umbrella is often not enough, so a poncho or waterproof jacket is a better choice.

Temperature in Koh Samet in May

If you're visiting Koh Samet in May, expect highs of 31°C (88°F) and overnight lows around 27°C (81°F). The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. With lows of 27°C (81°F), it stays warm throughout the night. A cold shower before going to sleep is one of the easiest ways to cool down before bed.

Sunshine in Koh Samet in May

The month brings about 156 hours of sunlight, offering a comfortable mix of sun and rainy moments.

May in Koh Samet has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.