25.05
mon
mon
Day
86°F
NE 8 mph
Precip.
100%
100%
Night
81°F
E 11 mph
Precip.
100%
100%
26.05
tue
tue
Day
81°F
NE 13 mph
Precip.
100%
100%
Night
79°F
E 7 mph
Precip.
100%
100%
27.05
wed
wed
Day
82°F
NE 8 mph
Precip.
100%
100%
Night
81°F
E 9 mph
Precip.
100%
100%
28.05
thu
thu
Day
81°F
E 11 mph
Precip.
100%
100%
Night
77°F
E 12 mph
Precip.
100%
100%
29.05
fri
fri
Day
79°F
E 7 mph
Precip.
100%
100%
Night
79°F
E 14 mph
Precip.
100%
100%
30.05
sat
sat
Day
79°F
NE 15 mph
Precip.
100%
100%
Night
79°F
E 16 mph
Precip.
100%
100%
31.05
sun
sun
Day
81°F
E 17 mph
Precip.
100%
100%
Night
81°F
E 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 87.4°F. The highest and lowest sea temperatures during the month were 88.5°F and 85.6°F.
Sea water temperature in June, °F
Show year:
2025
2024
2023
The average sea water temperature in June of 2025 was 85.1°F. The highest and lowest sea temperatures during the month were 85.8°F and 84.2°F.
Air temperature in Similan, °F
Precipitation total in Similan, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Similan
Similan on a weather map
Places in Thailand:
Name
°F
24 Hours Forecast
Similan
Local time: 07:41
May 25, monday
0900
82°F
NE
6 mph
6 mph
1200
86°F
NE
8 mph
8 mph
1500
84°F
E
8 mph
8 mph
1800
84°F
E
8 mph
8 mph
2100
82°F
E
9 mph
9 mph
May 26, tuesday
0000
81°F
E
11 mph
11 mph
0300
81°F
NE
10 mph
10 mph
0600
81°F
NE
6 mph
6 mph
