Sun, sea & sand

Koh Tao weather in June

Temperature, sea and sunshine in June: long-term averages from 30 years of weather data, not a forecast.

70

Holiday weather in June

Good

Best time to visit: December – April

What is the weather like in Koh Tao in June?

In June, Koh Tao is hot: daytime highs average 29 °C, and even at night it stays warm at around 27 °C. The sea averages 29.8 °C – almost as warm as a bath. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 20 days, totalling 121 mm. The air is often humid and muggy. All in all, June is a good month for a holiday in Koh Tao.

June compared

How the weather changes from May to July. Tap a month to open it.

MayMayJuneJunJulyJul
Score727067
Day29°29°28°
Night27°27°26°
Sea30°30°29°
Sun7 h6 h5 h
Rain days222020

More details for June

Daylight
12 h 43 min05:59 – 18:42
UV index
13 · extremeclear sky, noon (estimate)All months
Muggy days
30 daysdew point 18 °C or moreAll months
Wind
25 km/haverage daily peakAll months
Cloud cover
87 %on averageAll months
Hot days
1 day30 °C or moreAll months
Time zone
UTC+7Asia/Bangkok

How the score comes together

  • Temperatureweight 35 %100 %
  • Seaweight 25 %100 %
  • Sunshineweight 20 %48 %
  • Few rainy daysweight 20 %0 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in June

  • Swimwear
  • Sunscreen
  • Sunglasses & sun hat
  • Light, breathable clothes
  • Insect repellent
  • Rain jacket or umbrella

Koh Tao in June: quick answers

Is Koh Tao hot in June?

Yes. In June, Koh Tao is hot: daytime highs average 29 °C and nights stay around 27 °C. On about 1 days the thermometer climbs to 30 °C or more.

Can you swim in Koh Tao in June?

Yes. In June the sea averages 29.8 °C – almost as warm as a bath.

Does it rain much in Koh Tao in June?

It rains often – on about 20 days, adding up to 121 mm.

Koh Tao month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences