Best time to swim in Thailand Sea temperature by month
Do you want to go to the seaside in Thailand? But when should you go to be sure to enjoy good sea water temperature and be able to swim for a long time? Now or another month during the year? On this page, find the sea temperature by month in Thailand.
Swimming in Thailand by month
Discover swimming conditions in detail in Thailand by month below. Click on the links for each month to see details about the sea temperature in the cities of: Bangkok, Chanthaburi, Hua Hin, Khao Lak national Park and Koh Chang.
| Month | Average Sea temperature | Our opinion |
|---|---|---|
| January | 80°F to 84°F | ideal swimming |
| February | 82°F to 85°F | ideal swimming |
| March | 83°F to 86°F | ideal swimming |
| April | 85°F to 87°F | ideal swimming |
| May | 86°F to 88°F | ideal swimming |
| June | 85°F to 87°F | ideal swimming |
| July | 84°F to 87°F | ideal swimming |
| August | 83°F to 86°F | ideal swimming |
| September | 83°F to 86°F | ideal swimming |
| October | 85°F to 86°F | ideal swimming |
| November | 85°F to 86°F | ideal swimming |
| December | 82°F to 85°F | ideal swimming |
Where and when should you swim in Thailand?
Best time to swim in Khao Lak national Park
It is possible to swim all year in Khao Lak national Park.
Other cities and places in Thailand:
Water temperatures in Thailand over the entire year
On this chart, we show you the variation of the average sea water temperature in Thailand for the cities of: Bangkok, Chanthaburi, Hua Hin, Khao Lak national Park and Koh Chang.