The Best Time to Visit Koh Samui

What is the best time to visit Koh Samui? It depends on whether you like crowds or want to avoid the high season. The weather from December to February is perfect for a holiday in Koh Samui.

Thailand is known for its beautiful beaches and islands. And Koh Samui is one of the top destinations for tourists when they visit the country. The best time to visit Koh Samui is in the dry season.

Overview about Koh Samui Weather

Koh Samui has 3 seasons throughout the year: dry, hot, and wet season.

• Dry Season starts from December and lasts until February. This is when you see a lot of tourists around the island. The average temperature is 28 degrees Celsius and there is no rain. Sea waters are calm, making it perfect for activities like swimming, kayaking, snorkeling. However, because this is the ideal time to visit Koh Samui, there will be a lot of people on the beach, and hotels and tours will be at high prices.

Dry season in Koh Samui

• Hot Season begins in March and ends in August. The temperature is always over 30 degrees Celsius with a high level of humidity. There are about 8 or 9 hours of sunshine every day with very little cloud. It rains sometimes in May but it doesn’t last long. Visitors can enjoy snorkeling, diving, and kayaking in Koh Samui.
• Rainy Season is between September and November. Due to the monsoon season, there can be strong tropical storms that hit the island. Therefore, people avoid visiting Koh Samui during this time of the year. You can expect that it will rain for a few days in a row and some tourist attractions won’t allow visitors. 

When is the best time to visit Koh Samui?

Many people worry about tropical storms in Koh Samui, but they usually last for a few days. When they are over, everything goes back to normal and you can still enjoy your trip. However, to get the best out of this island, the dry season from December to February is the best time to visit Koh Samui. There will be no rain and the weather is pleasant for outdoor activities. However, this season is also a high season in Koh Samui, so every tourist attraction is busy and crowded. You can explore the surrounding islands or spend time near the beach, even get on a boat tour. Be aware that you need to spend more during high season as accommodations and tours are more expensive.

Best time to visit Koh Samui

If you don’t like the crowds when traveling and want to save the costs, the best time to visit Koh Samui for you is the hot or the rainy season. This is when you can get good deals and avoid the crowds. The cheapest time is from October to November when the tropical storms arrive. Discounts are available for hotels, airfares, tours if you are willing to take advantage of the monsoon rains which usually don’t last long.

Best weather to do snorkeling in Koh Samui

April and May are also cheap months to visit Koh Samui. The hot season is at its peak and humidity is high, so you might not enjoy outdoor activities. However, if you brave the heat, you will have the beach to yourself and enjoy your holiday with the clearest blue skies. Just make sure you protect your skin from the UV and your body from the heat well.

You can find the best Koh Samui tours on our website with the best rate.