Is this weather information for Ko Samui reliable? Located off the east coast of Thailand between the Tropic of Cancer and the Equator, the island has a tropical monsoon climate with 3 … May receives more rainfall than March and April. The analysis of these meteorological data for Ko Samui allows us to determine the average for each month in Chaweng Beach, Bang Kao (Laem Sor beach), Bophut, Choeng Mon, Koh Madsum, Koh Phaluai, Koh Taen, Lamai beach, and 3 other cities. Unless you prefer rain to sunshine, Koh Samui is a better bet in April. On average, it rains or snows a fair amount: 3 to 10 times per month. Ko Samui average temperature. Jan. Calendar Month Picker. The weather in Koh Samui. Refine your search to help you find the perfect Ko Samui property by price and number of bedrooms. Climate data for Ko Samui has been gathered every day since January 2009. The temperature starts rising in Koh Samui by March. Ko Samui Weather by month // weather averages As of 5:29 am ICT. In Koh Samui, February and March are the sunniest days, while the cloudiest are September and October. It will be sunny during these months, and the chances of light rain are close to zero. Calendar Year Picker View. The big storms are long gone but the island can still get rain every day (particularly at the beginning of the month). Weather in January. The latest and today's weather in Ko Samui, Thailand updated regularly Ko Samui is a popular holiday destination off the east coast of Thailand. At 25.2 °C | 77.4 °F on average, January is the coldest month of the year. When is the sunniest time on Koh Samui? For absolutely no legitimate reason, I get excited when Samui “wins”. These times of year are the busiest with tourists. Summers in Koh Samui are hot with fewer to no rainfall. Keeping warm is rarely a problem in Koh Samui with each month offering plenty of sunny days. February is usually the driest, while April is the hottest. The temperatures are highest on average in May, at around 28.5 °C | 83.3 °F. Koh Samui weather in April 6. Mar. At 228 square kilometres, Ko Samui is Thailand's third-largest island and famous for its full moon parties. Best Time To Visit Koh Samui, Month For Weather & Least Rain, Thailand. Koh Samui is a year-round travel destination as the weather there is not severe even during the monsoon period. Koh Samui: The tail end of the wet season. Otherwise, it is still lovely to visit Samui in November because accommodation rates are cheaper, there are fewer tourists, and you can completely enjoy the island. After the scorching heat, the downpour is a welcome change, the rainfall cuts the humidity down which summers in Koh Samui is famous for. Weather is perfect this time of year in Koh Samui to be enjoyable for warm weather travelers. Rainy days (avg): 5 days (80mm) on Koh Samui vs 11 days (150mm) in Phuket; Sea temperature: 28°C on Koh Samui vs 30°C in Phuket *data source. As it is the wettest month in Koh Samui. Ko Samui’s properties for rent are either listed by private home owners or property agents such as . Phuket and Koh Samui Weather by Month. Even when it does rain the clouds disappear quickly and the sun returns. Monthly Weather-Ko Samui, Surat Thani, Thailand. The island only faces some unpleasant weather approximately five years per time which the last big monsoon storm hit Koh Samui was in 2010 causing floods and some difficulties to travel by ferry. The average high during this season is between 85.8°F (29.9°C) and 83.9°F (28.8°C). Sun mon tue wed thu fri … April is the hottest month of the year. Kata Beach in Phuket. While the islands are enchanting all year round, the best weather is from December to April. 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