Discover Kok Kood: a hidden gem in Thailand
Discover the hidden gem of Thailand - Koh Kood! Explore stunning beaches, waterfalls and eco-friendly resorts while enjoying a peaceful atmosphere away from the crowds.
Koh Samet Weather in August
August in Koh Samet typically sees daytime highs of 30°C (86°F) and nighttime lows of 27°C (81°F). August falls within the rainy season, so heavy rainfall is to be expected.
Rainfall in Koh Samet in August
As part of the rainy season, Koh Samet sees around 16 days of rain in August, with an average of 233 mm (9.2 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.
Temperature in Koh Samet in August
In August, expect very high temperatures in Koh Samet, with highs of 30°C (86°F) and lows of 27°C (81°F) at night. If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. Nights remain warm at around 27°C (81°F). For a more comfortable sleep, a cold shower before bed and a fan or air conditioning can make a big difference.
Sunshine in Koh Samet in August
The area enjoys a balanced 115 hours of sunlight, ensuring it's neither too rainy nor too sunny.August in Koh Samet has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Koh Samet Temperature in August
Min Temperature
27°C (81°F)
Max Temperature
30°C (86°F)
Chance of Rain
54%
Precipitation
233 mm (9.2 in)
Rainy days
16 days
Humidity
77% *
Sunshine
115 hours *
Percentage Sunshine
*
* Data from: Jomtien Beach, Thailand (66 KM, 41 Miles).
Koh Samet Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Koh Samet - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Koh Samet 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
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather records for Koh Samet in August
Browse day-by-day weather records for Koh Samet spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Koh Samet historical weather extremes in August
Based on weather observations in Koh Samet between 1976 and 2026, these are the recorded extremes during August.
- The hottest August day on record in Koh Samet reached 38°C (100°F) (August 14, 1995).
- On August 7, 1977, Koh Samet saw its coldest August day with temperatures maxing out at 26°C (79°F).
- Koh Samet registered its coldest August night on August 29, 1993, with temperatures dropping to 22°C (72°F).
Best Places in Thailand in August
Find out more about the weather in Thailand and which places have the best travel conditions in this month. See all of Thailand in August →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Koh Samet 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). Also bring a poncho, it will rain a lot! Waterproof everything you can. Sunglasses could come in handy during the sunnier parts of your trip.
What To Do in Koh Samet in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming7/10 -
Cycling7/10 -
Walking7/10 -
Camping7/10 -
Outdoor sports7/10
Koh Samet 3-Day Forecast
More climate data for Koh Samet
Temperature Rainfall Sunshine Humidity
See the full Koh Samet climate overview or explore weather in Thailand.
Popular in August
Where to go in August - average daytime high across popular destinations.
Bangkok
34°C (93°F) Jomtien Beach
32°C (90°F) Hua Hin32°C (90°F) Chiang Mai32°C (90°F) Koh Samui30°C (86°F) Ao Nang Beach30°C (86°F) Ko Lanta30°C (86°F) Patong Beach30°C (86°F) Bucket list
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