Koh Samet
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Koh Samet Weather in June

June in Koh Samet brings very high temperatures, with daytime highs of 31°C (88°F) and nights around 27°C (81°F). It's part of the rainy season, with 308 mm (12 in) of rainfall on average, so an umbrella or poncho is a good idea.

Rainfall in Koh Samet in June

As part of the rainy season, Koh Samet sees around 15 days of rain in June, with an average of 308 mm (12 in). Rainy season showers here are typically intense, often clearing quickly but coming down hard while they last.

Temperature in Koh Samet in June

Koh Samet in June gets highs of 31°C (88°F) during the day and drops to 27°C (81°F) at night. Mornings and evenings are often more comfortable than the peak afternoon hours. With lows of 27°C (81°F), it stays warm throughout the night. A cold shower before going to sleep is one of the easiest ways to cool down before bed.

Sunshine in Koh Samet in June

The month experiences a moderate amount of sunlight, with 115 hours of sunshine. This provides a nice balance between sunshine and rain.

June 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 June

Min Temperature
27°C (81°F)
Max Temperature
31°C (88°F)
Chance of Rain
50%
Precipitation
308 mm (12 in)
Rainy days
15 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 June, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 27°C (81°F).

Average temperatures in June

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 June

Historical weather records for Koh Samet in June

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 June

The extremes listed below come from historical weather data collected in Koh Samet from 1976 through 2026.

  • The hottest June day on record in Koh Samet reached 39°C (102°F) (June 19, 1979).
  • Koh Samet experienced its chilliest June day on June 27, 1984, reaching only 27°C (81°F).
  • The coldest night in June in Koh Samet was on June 12, 1982, with a minimum of 18°C (64°F).

Best Places in Thailand in June

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

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 June

Warm temperatures in June 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. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Koh Samet in June

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

Koh Samet 3-Day Forecast

More climate data for Koh Samet

Popular in June

Where to go in June - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.