Chaweng Noi Beach Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Chaweng Noi Beach.

Climate overview of Chaweng Noi Beach

The climate in Chaweng Noi Beach, Koh Samui, Thailand, is remarkably consistent, with temperatures year-round averaging 30°C (86°F). The warmest month is May at 31°C (88°F), and the coolest is January at 28°C (82°F).

With around 1670 mm (66 in) of annual rainfall, Chaweng Noi Beach 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.

Chaweng Noi Beach Weather by Month

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

Monthly Temperature in Chaweng Noi Beach

In Chaweng Noi Beach temperatures are generally consistent throughout the year. 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 28°C (82°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 Chaweng Noi Beach

Chaweng Noi Beach experiences significant rainfall throughout the year, averaging 1670 mm (66 in) of precipitation annually. Chaweng Noi Beach can be quite wet during October, receiving approximately 300 mm (12 in) of precipitation over 20 rainy days.

In contrast, during the driest month (February), you will experience much drier conditions, with 45 mm (1.8 in) of precipitation spread across 5 rainy days. For more details, please visit our Chaweng Noi Beach Precipitation page.

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

Sunshine Hours in Chaweng Noi Beach

Chaweng Noi Beach 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

Data from: Koh Samui, Thailand (13 KM, 8 Miles).

Daily hours of sunshine

Data from: Koh Samui, Thailand (13 KM, 8 Miles).

Water Temperature in Chaweng Noi Beach

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

Data from: Koh Samui, Thailand (13 KM, 8 Miles).

Humidity in Chaweng Noi Beach by Month

Best Time to Visit Chaweng Noi Beach

Conditions in Chaweng Noi Beach 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 and September
  • 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 Chaweng Noi Beach

What is the best time to visit Chaweng Noi Beach?

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

What temperatures can I expect in Chaweng Noi Beach?

Daytime highs range from 28°C (82°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 Chaweng Noi Beach get?

Annual rainfall is around 1670 mm (66 in). October is the wettest month with 300 mm (12 in), while February is the driest with 45 mm (1.8 in).

How sunny is Chaweng Noi Beach?

Chaweng Noi Beach 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, Chaweng Noi Beach enjoys abundant sunshine.

Chaweng Noi Beach 3-Day Forecast

Chaweng Noi Beach on the map

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