The best time to visit Koh Phangan Island is during the dry season, which runs from the second part of December to April. The weather is sunny and warm, with low humidity and little rainfall. Also, July and August are good months to visit as the weather is generally pleasant. It is advisable to avoid visiting Koh Phangan Island during September to December due to heavy rainfall.

Koh Phangan Island, located in the Gulf of Thailand, is known for its beautiful beaches, lush greenery, and stunning sunsets. Like many tropical destinations, Koh Phangan has a warm and humid climate throughout the year, with two main seasons: the dry season and the rainy season. Let’s take a closer look at the climate and weather patterns in Koh Phangan.

Climate Graph Koh Phangan

Temperature and Precipitation by Months

Climate Graph of Koh Phangan

Water Temperature Koh Phangan

Water Temperature by Months

Climate Graph of Koh Phangan

Dry Season

The dry season in Koh Phangan typically runs from December to April. During this time, the island experiences lower humidity levels and less rainfall, making it an ideal time to visit for those who prefer drier weather. The average temperature during this season ranges from 25 to 29 degrees Celsius (77 to 84 degrees Fahrenheit), with plenty of sunshine and blue skies.

March to June is also considered a dry season, but temperatures can be hotter and more humid than the earlier part of the dry season. Temperatures can reach up to 34 degrees Celsius (93 degrees Fahrenheit) during this time, with little to no rain.

The weather in Koh Phangan during May and June of 2022 was quite hot, with temperatures averaging around 30-33°C. However, visitors in July and August were treated to ideal weather conditions with warm temperatures, low humidity, and little rainfall. These months are generally considered good times to visit the island, as they offer great opportunities to explore the beaches and other attractions without being hindered by heavy rainfall or excessive heat. Whether you’re planning to go snorkeling, diving, or simply relaxing on the beach, the pleasant weather conditions from December to April, and July – August provide the perfect backdrop for an unforgettable vacation on Koh Phangan Island.

Rainy Season

The rainy season in Koh Phangan runs from the second part of September to the first part of December, with October and November being the wettest months. During this time, the island experiences higher humidity levels and more rainfall, often in the form of short, heavy downpours. Despite the rainfall, temperatures remain warm, ranging from 25 to 31 degrees Celsius (77 to 88 degrees Fahrenheit).

It’s important to note that while the rainy season can be unpredictable, it doesn’t necessarily mean that it will rain every day. Visitors to Koh Phangan during this time can still enjoy the island’s activities, as the rain usually comes in short bursts and the sun often returns soon after.

Tropical Storms

Koh Phangan, like other parts of Thailand, can also be affected by tropical storms during the rainy season. These storms can bring heavy rain and strong winds to the island, which may result in some disruptions to travel and outdoor activities. However, the island is generally well-prepared for these events, and visitors are advised to stay informed and follow any instructions from local authorities.