Sun, sea & sand

Koh Tao weather in October

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

66

Holiday weather in October

Good

Best time to visit: December – April

What is the weather like in Koh Tao in October?

In October, Koh Tao is hot: daytime highs average 27 °C, and even at night it stays warm at around 26 °C. The sea averages 29.0 °C – almost as warm as a bath. Expect around 5 hours of sunshine a day. It is the rainy season: rain falls on about 26 days, totalling 296 mm. The air is often humid and muggy. All in all, October is a good month for a holiday in Koh Tao.

October compared

How the weather changes from September to November. Tap a month to open it.

SeptemberSepOctoberOctNovemberNov
Score666668
Day28°27°27°
Night26°26°26°
Sea29°29°29°
Sun5 h5 h5 h
Rain days232620

More details for October

Daylight
11 h 55 min06:09 – 18:04
UV index
12 · extremeclear sky, noon (estimate)All months
Muggy days
31 daysdew point 18 °C or moreAll months
Wind
21 km/haverage daily peakAll months
Cloud cover
83 %on averageAll months
Hot days
0 days30 °C or moreAll months
Time zone
UTC+7Asia/Bangkok

How the score comes together

  • Temperatureweight 35 %100 %
  • Seaweight 25 %100 %
  • Sunshineweight 20 %32 %
  • 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 October

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

Koh Tao in October: quick answers

Is Koh Tao hot in October?

Yes. In October, Koh Tao is hot: daytime highs average 27 °C and nights stay around 26 °C.

Can you swim in Koh Tao in October?

Yes. In October the sea averages 29.0 °C – almost as warm as a bath.

Does it rain much in Koh Tao in October?

It rains often – on about 26 days, adding up to 296 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