Thong Son Beach Weather in December

December in Thong Son Beach brings high temperatures around 29°C (84°F) during the day, dropping to 26°C (79°F) at night, with quite a bit of rainfall expected, averaging around 145 mm (5.7 in) for the month.

Rainfall in Thong Son Beach in December

Analyzing past climate data, one can expect approximately 14 days of rain, averaging 145 mm (5.7 in). When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Thong Son Beach in December

If you're visiting Thong Son Beach in December, expect highs of 29°C (84°F) and overnight lows around 26°C (79°F). Overall, the month follows a fairly predictable daily temperature pattern. Nights are warm at 26°C (79°F), which can make sleeping uncomfortable. Keeping windows open or using a fan can help. A cold shower before bed is also a good way to cool down.

Sunshine in Thong Son Beach in December

The month experiences a moderate amount of sunlight, with 177 hours of sunshine. This provides a nice balance between sunshine and clouds.

Average water temperature in December

The water reaches 29°C (84°F) this month. It's on the warm side, which suits people who prefer that, but don't expect a cooling dip if the air temperature is also high.

If your ideal day consists of dry skies and pleasant temperatures, January and February typically offer the best circumstances for Thong Son Beach.

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• January
• February
• March
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• May
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• August

• September
• October
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• December

For a detailed overview over the year and the best time to visit Thailand, check out our Thong Son Beach's climate page.

Thong Son Beach Temperature in December

Min Temperature 26°C (79°F)  

Max Temperature 29°C (84°F)  

Water Temperature 29°C (84°F) *  

Chance of Rain 45%  

Precipitation 145 mm (5.7 in)  

Rainy days 14 days  

Humidity 82% *  

Sunshine 177 hours *  

Percentage Sunshine *  

* Data from: Koh Samui, Thailand (16 KM, 10 Miles).

What to Wear in Thong Son Beach in December

Warm weather calls for comfortable, breathable clothing in December. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. The water temperature sits at about 29°C (84°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Thong Son Beach in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

7/10

Cycling

7/10

Walking

7/10

Camping

7/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Thailand, check out our Thong Son Beach's climate page.

More climate data for Thong Son Beach

Temperature Rainfall Sunshine Humidity Water Temp

See the full Thong Son Beach climate overview or explore weather in Thailand.