Nathon Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Nathon.

Climate overview of Nathon

Nathon, Koh Samui, Thailand, enjoys a steady climate throughout the year, with daytime temperatures typically around 30°C (86°F). May is the warmest month at 31°C (88°F), while January is the coolest at 29°C (84°F).

With around 1646 mm (65 in) of annual rainfall, Nathon has a notably wet climate. The wettest month is October. The sunniest month is March, with 8.0 hours of sunshine per day on average.

Nathon Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Nathon - and find the best time to visit.

Monthly Temperature in Nathon

The temperature in Nathon remains steady throughout the year, providing a consistently very warm climate. Average daytime temperatures reach a very warm 31°C (88°F) in May. In January, the coolest month of the year, temperatures drop to a comfortable 29°C (84°F).

At night, temperatures range from around 28°C (82°F) in May to 26°C (79°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Nathon

Nathon has a relatively rainy climate with high precipitation levels, averaging 1646 mm (65 in) of rainfall annually. Nathon can be quite wet during October, receiving approximately 296 mm (12 in) of precipitation over 20 rainy days.

In contrast, during the driest month (February), you will experience much drier conditions, with 44 mm (1.7 in) of precipitation spread across 5 rainy days. For more details, please visit our Nathon Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Sunshine Hours in Nathon

Nathon can be enjoyed more throughout the sunniest month of March under a blue sky, with approximately 8.0 hours of sunshine daily. In contrast, the city experiences much darker days in September, with only 4.8 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine


Daily hours of sunshine


Water Temperature in Nathon

The mean water temperature over the year ranges from 27°C (81°F) in January to 30°C (86°F) in April.

Water temperature over the year


Humidity in Nathon by Month

Best Time to Visit Nathon

Conditions in Nathon are generally most comfortable in January and February. They are typically least comfortable in October and November.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: January and February
  • Warmest weather: March, April, May, June, July, August, September and October
  • Most sunshine: March
  • Fewest rainy days: February and March
  • Best for swimming: Any time of year. The sea stays pleasantly warm year-round.
  • Wettest months: September, October, November and December, when rainfall is highest.

Frequently asked questions about the climate in Nathon

What is the best time to visit Nathon?

January and February typically offer the most optimal weather in Nathon. In contrast, October and November tend to have less optimal conditions.

What temperatures can I expect in Nathon?

Daytime highs range from 29°C (84°F) in January to 31°C (88°F) in May. Nighttime lows range from 26°C (79°F) to 28°C (82°F). Temperatures stay relatively stable year-round.

How much rain does Nathon get?

Annual rainfall is around 1646 mm (65 in). October is the wettest month with 296 mm (12 in), while February is the driest with 44 mm (1.7 in).

How sunny is Nathon?

Nathon receives around 2,151 hours of sunshine per year. March is the sunniest month with 240 hours, while September is the cloudiest with just 145 hours. Overall, Nathon enjoys abundant sunshine.

Nathon 3-Day Forecast

Nathon on the map

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