Current Sea Water Temperature:
+91.4°F
| Maximum Sea Water Temperature in July: | 92.4°F |
| Minimum Sea Water Temperature in July: | 87.0°F |
| Average water temperature in July: | 89.6°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| July 10 | 91.4°F | July 05 | 91.0°F |
| July 09 | 91.0°F | July 04 | 91.0°F |
| July 08 | 90.8°F | July 03 | 91.6°F |
| July 07 | 90.4°F | July 02 | 91.2°F |
| July 06 | 90.6°F | July 01 | 91.0°F |
When is the Warmest Sea for Samui?
According to our data for the last three years for Samui the highest average sea water temperature was in May, April and June.
Average Water Temperature by Month, °F
Sea Water Temperature in May
The average sea surface temperature in May 2026 for Samui was 91.1°F. The maximum and minimum values were 89.4°F and 91.8°F respectively.
Sea Water Temperature in April
The average sea surface temperature in April 2026 for Samui was 90.8°F. The maximum and minimum values were 88.2°F and 91.8°F respectively.
Sea Water Temperature in June
The average sea surface temperature in June 2026 for Samui was 91.1°F. The maximum and minimum values were 89.4°F and 92.0°F respectively.
Thailand Resorts:
NAME
F°
| Bang Tao Beach |  |
+88 |
| Bangkok |  |
+104 |
| Cape Panwa | |
+88 |
| Hua Hin | |
+98 |
| Karon Beach | |
+88 |
| Kata Beach | |
+88 |
| Khao Lak | |
+86 |
| Koh Chang | |
+88 |
| Nai Yang Beach | |
+88 |
| Pattaya | |
+92 |
| Phangan |  |
+88 |
| Phi Phi |  |
+88 |
| Phuket | |
+88 |
| Samet | |
+92 |
| Samui | |
+90 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Samui
Local time: 16:15
10 jul, friday
| 1800 |  |
90°F | SE 21 mph |
| 2100 |  |
88°F | E 20 mph |
11 jul, saturday
| 0000 |  |
88°F | E 18 mph |
| 0300 | |
86°F | E 16 mph |
| 0600 | |
86°F | E 16 mph |
| 0900 |  |
86°F | E 17 mph |
| 1200 |  |
88°F | E 17 mph |
| 1500 |  |
90°F | SE 16 mph |