Choeng Mon Beach Weather in August

August in Choeng Mon Beach brings very high temperatures, with daytime highs of 30°C (86°F) and nights around 27°C (81°F). Quite a bit of rainfall is expected, around 113 mm (4.4 in), so pack an umbrella.

Rainfall in Choeng Mon Beach in August

The climate data from previous years indicates about 17 days of rain, averaging 113 mm (4.4 in) for the month. This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.

Temperature in Choeng Mon Beach in August

Daytime highs in Choeng Mon Beach in August reach 30°C (86°F), with nights around 27°C (81°F). Mornings and evenings are often more comfortable than the peak afternoon hours. At 27°C (81°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 Choeng Mon Beach in August

The month experiences a moderate amount of sunlight, with 152 hours of sunshine. This provides a nice balance between sunshine and clouds.

Average water temperature in August

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

Choeng Mon Beach Temperature in August

Min Temperature 27°C (81°F)  

Max Temperature 30°C (86°F)  

Water Temperature 29°C (84°F) *  

Chance of Rain 56%  

Precipitation 113 mm (4.4 in)  

Rainy days 17 days  

Humidity 78% *  

Sunshine 152 hours *  

Percentage Sunshine *  

* Data from: Koh Samui, Thailand (14 KM, 9 Miles).

Daily Historical Temperatures

49-year average (1976-2025)

Based on our historical records, temperatures in Choeng Mon Beach typically stay consistent throughout August, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 26°C (79°F).

Average temperatures in August

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Daily Historical Precipitation

49-year average (1976-2025)

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

Average precipitation in August

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Historical weather for Choeng Mon Beach in August

Browse day-by-day weather records for Choeng Mon 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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Choeng Mon Beach historical weather extremes in August

Based on weather observations in Choeng Mon Beach between 1982 and 2025, these are the recorded extremes during August.

• On August 4, 1990, temperatures climbed to 40°C (104°F), marking the warmest August day on record.
• On August 24, 1997, Choeng Mon Beach saw its coldest August day with temperatures maxing out at 25°C (77°F).
• Nighttime temperatures dropped to 23°C (73°F) on August 31, 1995, marking the coldest August night on record.

What to Wear in Choeng Mon Beach in August

Warm weather calls for comfortable, breathable clothing in August. 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. 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 Choeng Mon Beach in August

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 Choeng Mon Beach's climate page.

More climate data for Choeng Mon Beach

Temperature Rainfall Sunshine Humidity Water Temp

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