17.05
sun
sun
Day

84°F
E 16 mph
Precip.
100%
100%
Night

82°F
E 12 mph
Precip.
100%
100%
18.05
mon
mon
Day

84°F
E 13 mph
Precip.
100%
100%
Night

82°F
E 12 mph
Precip.
100%
100%
19.05
tue
tue
Day

86°F
NE 14 mph
Precip.
100%
100%
Night

84°F
NE 16 mph
Precip.
100%
100%
20.05
wed
wed
Day

84°F
NE 12 mph
Precip.
100%
100%
Night

84°F
NE 18 mph
Precip.
100%
100%
21.05
thu
thu
Day

84°F
NE 14 mph
Precip.
100%
100%
Night

84°F
N 14 mph
Precip.
100%
100%
22.05
fri
fri
Day

77°F
N 1 mph
Precip.
100%
100%
Night

82°F
N 4 mph
Precip.
51%
51%
23.05
sat
sat
Day

82°F
NE 6 mph
Precip.
100%
100%
Night

84°F
NE 12 mph
Precip.
100%
100%
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 88.4°F. The highest and lowest sea temperatures during the month were 89.2°F and 88.0°F.
Air temperature in Ko Wai, °F
Precipitation total in Ko Wai, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Ko Wai
Ko Wai on a weather map
Places in Thailand:
Name
°F
24 Hours Forecast
Ko Wai
Local time: 23:44
May 18, monday
0000

82°F
E
12 mph
12 mph
0300

82°F
E
16 mph
16 mph
0600

82°F
E
12 mph
12 mph
0900

82°F
E
11 mph
11 mph
1200

84°F
E
13 mph
13 mph
1500

84°F
NE
12 mph
12 mph
1800

82°F
NE
12 mph
12 mph
2100

82°F
NE
10 mph
10 mph


























