Bangrak Beach Weather in December

December in Bangrak Beach brings high temperatures, with highs of 29°C (84°F) and nights dropping to 26°C (79°F). Rainfall is on the higher side this month, averaging around 148 mm (5.8 in), so keep a rain jacket handy.

Rainfall in Bangrak Beach in December

Historically, the month has about 14 days of rain, averaging 148 mm (5.8 in) in total. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Bangrak Beach in December

In December, expect high temperatures in Bangrak Beach, with highs of 29°C (84°F) and lows of 26°C (79°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. At 26°C (79°F) overnight, the heat doesn't let up much after dark. If you're staying somewhere without air conditioning, a cold shower before bed and keeping the air moving can help.

Sunshine in Bangrak Beach in December

With about 177 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

Average water temperature in December

At 29°C (84°F), the water is very warm — more like a heated pool than the sea. Great for those who like warm water, though some may find it less refreshing on a hot day.

If you prefer dry days with pleasant temperatures, January and February typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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• January
• February
• March
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• May
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For a detailed overview over the year and the best time to visit Thailand, check out our Bangrak Beach's climate page.

Bangrak 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 46%  

Precipitation 148 mm (5.8 in)  

Rainy days 14 days  

Humidity 82% *  

Sunshine 177 hours *  

Percentage Sunshine *  

* Data from: Koh Samui, Thailand (12 KM, 7 Miles).

Daily Historical Temperatures

48-year average (1976-2025)

Based on our historical records, temperatures in Bangrak Beach typically stay consistent throughout December, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 25°C (77°F).

Average temperatures in December

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Daily Historical Precipitation

48-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in December

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‹ January February March April May June July August September October November December ›

Historical weather for Bangrak Beach in December

Browse day-by-day weather records for Bangrak Beach spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

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‹ January February March April May June July August September October November December ›

Bangrak Beach historical weather extremes in December

According to our 39 years of weather records for Bangrak Beach, the following extremes were recorded between 1986 and 2025.

• The hottest December day on record in Bangrak Beach reached 34°C (93°F) (December 11, 2023).
• On December 25, 1999, Bangrak Beach saw its coldest December day with temperatures maxing out at 24°C (75°F).
• Bangrak Beach registered its coldest December night on December 21, 1999, with temperatures dropping to 20°C (68°F).

What to Wear in Bangrak Beach in December

Warm temperatures in December make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. With water temperatures around 29°C (84°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Bangrak 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 Bangrak Beach's climate page.

More climate data for Bangrak Beach

Temperature Rainfall Sunshine Humidity Water Temp

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