Current Sea Water Temperature:
+90.6°F
| Maximum Sea Water Temperature in May: | 95.0°F |
| Minimum Sea Water Temperature in May: | 86.6°F |
| Average water temperature in May: | 91.5°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| May 30 | 90.6°F | May 25 | 90.4°F |
| May 29 | 91.0°F | May 24 | 91.0°F |
| May 28 | 91.2°F | May 23 | 91.2°F |
| May 27 | 91.2°F | May 22 | 90.8°F |
| May 26 | 91.4°F | May 21 | 90.6°F |
When is the Warmest Sea for Koh Lanta?
According to our data for the last three years for Koh Lanta the highest average sea water temperature was in April, May and June.
Average Water Temperature by Month, °F
Sea Water Temperature in April
The average sea surface temperature in April 2026 for Koh Lanta was 93.0°F. The maximum and minimum values were 90.8°F and 94.8°F respectively.
Sea Water Temperature in May
The average sea surface temperature in May 2026 for Koh Lanta was 92.2°F. The maximum and minimum values were 90.4°F and 93.4°F respectively.
Sea Water Temperature in June
The average sea surface temperature in June 2025 for Koh Lanta was 90.0°F. The maximum and minimum values were 89.0°F and 91.0°F respectively.
Thailand Resorts:
NAME
F°
| Bang Tao Beach |  |
+82 |
| Bangkok |  |
+94 |
| Hua Hin | |
+92 |
| Karon Beach | |
+82 |
| Kata Beach | |
+82 |
| Khao Lak | |
+82 |
| Koh Chang |  |
+86 |
| Nai Yang Beach | |
+82 |
| Patong Beach | |
+82 |
| Pattaya |  |
+88 |
| Phangan | |
+90 |
| Phi Phi | |
+84 |
| Phuket | |
+82 |
| Samet | |
+86 |
| Samui | |
+88 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Koh Lanta
Local time: 18:35
30 may, saturday
| 2100 |  |
88°F | E 16 mph |
31 may, sunday
| 0000 |  |
88°F | E 14 mph |
| 0300 | |
86°F | SE 12 mph |
| 0600 |  |
86°F | E 12 mph |
| 0900 |  |
86°F | E 14 mph |
| 1200 | |
86°F | E 17 mph |
| 1500 | |
88°F | E 19 mph |
| 1800 | |
86°F | E 18 mph |