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Koh Tao

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Koh Tao Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Koh Tao year round climate

  • Spring (March–May): Average 83–85°F, hot and dry climate with less rainfall. Common activities: snorkeling, diving, sunbathing, watersports. Recommended clothing: light short-sleeved clothing, swimwear, sandals, sun hat, sunscreen.
  • Summer (June–August): Average 84–85°F, hot and humid climate with occasional showers. Common activities: snorkeling, diving, night activities, beach relaxation. Recommended clothing: light and breathable short-sleeved clothing, swimwear, sandals, rain gear.
  • Autumn (September–November): Average 81–83°F, warm and humid climate with gradually increasing rainfall. Common activities: snorkeling, diving, island exploration, enjoying the beach. Recommended clothing: light and breathable clothing, rain gear, sandals.
  • Winter (December–February): Average 80–82°F, warm and humid climate with more rainfall. Common activities: diving, snorkeling, observing marine life. Recommended clothing: light clothing, rain gear, swimwear.

Koh Tao climatological average

Annual average temperature: approx. 83.3°F / Annual rainfall: approx. 2370 mm / Summer humidity: 70%–80% / Rainiest month: December

Koh Tao monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
81.3°F
186.9
February
82°F
120.5
March
83.3°F
59.4
April
85.3°F
31.3
May
85.6°F
136.7
June
85.5°F
110
July
84°F
218
August
84.7°F
113.9
September
83.5°F
162.2
October
82.2°F
326.4
November
81.1°F
445.1
December
81°F
460.5

Koh Tao weather for the next seven days

12/18
Thursday
Patchy rain nearby
81.4°F/80°F
12/19
Friday
Patchy rain nearby
81.2°F/79.7°F
12/20
Saturday
Sunny
81°F/79.6°F
12/21
Sunday
Sunny
81.4°F/79.5°F
12/22
Monday
Sunny
81°F/80°F
12/23
Tuesday
Sunny
81.1°F/79.6°F
12/24
Wednesday
Sunny
80.9°F/79.8°F