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Chaweng Beach Weather & Climate: Best Time to Visit

Chaweng Beach has a Tropical savanna climate. It is warm and humid for most of the year. In comparison to Phuket and most of the rest of southern Thailand, Chaweng's weather is relatively drier. Phuket's wet season is spread over six to eight months. Chaweng Beach has only two months with more than 212 mm (8.3 in) of rain). The heaviest precipitation typically falls in the months of October and November. For the rest of the year, given the tropical climate, rain showers are brief; 20–60 minutes duration is typical.

Monthly Temperature in Chaweng Beach

The temperature in Chaweng Beach 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 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 Beach

Chaweng Beach has a relatively rainy climate with high precipitation levels, averaging 1681 mm (66 in) of rainfall annually. Chaweng Beach can be quite wet during October, receiving approximately 302 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 days. For more details, please visit our Chaweng Beach Precipitation page.

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

Sunshine Hours in Chaweng Beach

Chaweng 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 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).

Chaweng Beach 3-Day Forecast

Select a Month

Check the conditions for any month of the year.

Best Time to Visit Chaweng Beach

Chaweng Beach has warm weather with temperatures ranging from 28°C (82°F) to 31°C (88°F) throughout the year. The best time to visit is during January and February, when rainfall is at its lowest, making it a great time for sightseeing and exploring all the place has to offer.

For a more comfortable experience, start your day early when the weather is cooler, or take advantage of the gentle breezes in the late afternoon.

The rainy season occurs during September, October and November, when the area experiences its heaviest rainfall.

Planning your next adventure but unsure where to go? Our climate tool suggests perfect locations tailored to your preferred weather conditions. Discover your ideal travel destination with our weather planner.