Nathon, Koh Samui Weather

The following weather chart displays the monthly average weather conditions for Nathon, Koh Samui. The red line displays the monthly day time maximum temperature while the blue line indicates the average night time minimum. The bar chart shows the number of wet days per month that Nathon experiences.

Nathon Weather Chart

Nathon Weather, Koh Samui Thailand

The average weather for Nathon, Koh Samui, Thailand

When to Visit Nathon for a Holiday

Nathon and Ko Samui are classified as having a tropical monsoon climate meaning that the island has a dry season and a wet season. The weather of Nathon realistically has three seasons; the horrid monsoon season which is thankfully short lived, a drier season and a hot season which has frequent heavy showers.

The dry season lasts from late December through to March and this is the main tourist season of Nathon. The tourist season’s weather is hot, bright and not to humid - just right for lounging on the island’s fantastic beaches. February is the driest month and under the Köppen climate classification is the only month which has precipitation levels that are regarded as a dry season. For a guide to Koh Samui and Koh Phangan click here.

Towards the end of the dry season the temperatures and humidity of Nathon increase. From April until the late autumn monsoons the weather of Nathon is the hot and humid with frequent downpours. These rains are short lived and there is always blue skys afterwards. Ko Samui’s location means that it avoids much of the south-eastern monsoon that punishes Thailand's Andaman coastline. If you are planning to visit Thailand during the summer months Koh Samui and Nathon would be a sensible location to consider.

Nathon is hit by a much later monsoon, which arrives from the south west and strikes between September and mid November. As a tourist avoid this season due to flooding and high winds that disrupt transport connections. Ko Samui as an island has less annual rain that the island’s main resort rival of Phuket.

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