Measurements:
°C
°F
Ko Wai
86°F
NE 7 mph
Feels like: 94°F
Precip: 88%
World Resorts Thailand Ko Wai Weather

Ko Wai Sea Water Temperature

Current Sea Water Temperature:
+92.0°F
Maximum Sea Water Temperature in May: 95.2°F
Minimum Sea Water Temperature in May: 88.2°F
Average water temperature in May: 91.8°F

Sea Water Temperature for the Last 10 Days:

May 30 92.0°F May 25 91.2°F
May 29 92.0°F May 24 91.4°F
May 28 92.4°F May 23 92.0°F
May 27 92.2°F May 22 91.4°F
May 26 91.8°F May 21 91.6°F

When is the Warmest Sea for Ko Wai?

According to our data for the last three years for Ko Wai the highest average sea water temperature was in May, April and June.

Average Water Temperature by Month, °F

Sea Water Temperature in May

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Ko Wai was 92.3°F. The maximum and minimum values were 91.2°F and 93.6°F respectively.

Sea Water Temperature in April

Select Year: 2026 2025 2024

The average sea surface temperature in April 2026 for Ko Wai was 92.3°F. The maximum and minimum values were 90.8°F and 94.0°F respectively.

Sea Water Temperature in June

Select Year: 2025 2024 2023

The average sea surface temperature in June 2025 for Ko Wai was 89.6°F. The maximum and minimum values were 88.2°F and 91.4°F respectively.

Best Time to Visit Ko Wai
The most sunny months:
January 21 days
December 21 days
February 16 days
The most warm months:
May 92.2 °F
April 91.6 °F
June 90.3 °F
Warmest sea temperature:
May 91.9 °F
April 91.3 °F
June 89.7 °F
The most cold months:
January 87.6 °F
February 88.1 °F
September 88.5 °F
The most rainy months:
July 22 days
August 21 days
June 20 days
The most windy months:
July 11 mph
August 10 mph
June 9 mph

Ko Wai on the Weather Map

Thailand Resorts:
NAME
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
24 Hours Weather Forecast
Ko Wai
Local time: 19:09
30 may, saturday
2100 86°F
N
8 mph
31 may, sunday
0000 86°F
N
9 mph
0300 86°F
NE
7 mph
0600 86°F
E
7 mph
0900 88°F
E
11 mph
1200 88°F
NE
11 mph
1500 86°F
NE
10 mph
1800 86°F
NE
7 mph

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