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Lamai Beach Weather in October

Lamai Beach in October sees high temperatures, with highs around 29°C (84°F) and overnight lows of 26°C (79°F). Rainfall is fairly high at around 296 mm (12 in) on average, so pack waterproofs just in case.

Rainfall in Lamai Beach in October

Typically, about 20 days will experience rainfall, with an average of 296 mm (12 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 Lamai Beach in October

Lamai Beach in October gets highs of 29°C (84°F) during the day and drops to 26°C (79°F) at night. This kind of day-to-night contrast is typical for this time of year. 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 Lamai Beach in October

The area enjoys a balanced 146 hours of sunlight, ensuring it's neither too overcast nor too sunny.

Average water temperature in October

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.

October in Lamai Beach has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.

Select a Month

Check the conditions for any month of the year.

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

Lamai Beach Temperature in October

Min TemperatureMin Temperature 26°C (79°F)  
Max TemperatureMax Temperature 29°C (84°F)  
Water TemperatureWater Temperature 29°C (84°F) *  
Chance of RainChance of Rain 67%  
PrecipitationPrecipitation 296 mm (12 in)  
Rainy daysRainy days 20 days  
HumidityHumidity 85% *  
SunshineSunshine 146 hours *  
Percentage SunshinePercentage Sunshine *  
* Data from: Koh Samui, Thailand (14 KM, 8 Miles).

Daily Historical Temperatures

47-year average (1976-2025)

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

Average temperatures in October

Daily Historical Precipitation

47-year average (1976-2025)

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

Average precipitation in October

Historical weather for Lamai Beach in October

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

Lamai Beach historical weather extremes in October

Based on weather observations in Lamai Beach between 1986 and 2025, these are the recorded extremes during October.

  • Lamai Beach recorded its highest October temperature of 37°C (99°F) on October 19, 1988.
  • On October 17, 1993, Lamai Beach saw its coldest October day with temperatures maxing out at 25°C (77°F).
  • The coldest night in October in Lamai Beach was on October 22, 2022, with a minimum of 21°C (70°F).

Best Places in Thailand in October

Find out more about the weather in Thailand and which places have the best travel conditions in this month. See all of Thailand in October →

Map not visible? Whoops sorry! Please refresh the page.
Legend 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 Lamai Beach in October

Warm weather calls for comfortable, breathable clothing in October. 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. With water temperatures around 29°C (84°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Lamai Beach in October

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.

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

More climate data for Lamai Beach