Ko Tao
Thailand
The scuba diving capital of the Gulf of Thailand is lined with coral reefs and thriving marine life.
Warmest month is April at 33°C on average. Coolest is January at 30°C. Driest reading falls in March with 6 rain days.
Costs and travel essentials
- CoffeeWorld Bank PPP baseline฿42 (~$1.25)Country-level price estimate for Thailand, 2026-07-11. Scaled from a US baseline, not a local survey.
- ฿60 (~$1.75)Country-level price estimate for Thailand, 2026-07-11. Scaled from a US baseline, not a local survey.
- Flight timeMethodology13h from London HeathrowGreat-circle plus routing overhead.
- Flight CO2eDEFRA 2024 factors3,753 kg return from London HeathrowDEFRA 2024 economy factors, includes radiative forcing.
- FCDO advisorygov.uk, snapshot compiled 2026-07-11FCDO advises against travel to specific parts of the country.Advises against all but essential travel to the far southern provinces near the Malaysian border. Check the latest FCDO advice before booking.
- Tap waterCDC / WHO guidanceDo not drink from the tap; use bottled or treated water.
| Month | Avg high | Daily spread | Rain days |
|---|---|---|---|
| January | 30° | 3°C | 9 |
| February | 31° | 2°C | 9 |
| March | 32° | 3°C | 6 |
| April | 33° | 3°C | 10 |
| May | 33° | 3°C | 18 |
| June | 33° | 3°C | 16 |
| July | 33° | 3°C | 17 |
| August | 33° | 3°C | 15 |
| September | 32° | 4°C | 19 |
| October | 32° | 3°C | 22 |
| November | 31° | 4°C | 21 |
| December | 31° | 4°C | 14 |
What to do
- Get scuba certified at a local beachside dive school
- Snorkel alongside blacktip reef sharks in Shark Bay
- Hike to the spectacular John-Suwan Viewpoint
How we know this
Values are the average of the last ten calendar years of daily readings from Visual Crossing, snapped to the destination cluster. Daily spread is the width between the 10th and 90th percentiles of daily highs, not a forecast error margin. Rain days count any day with at least 1 mm of precipitation.