World Resorts Thailand Similan Weather

Similan 7 Days Forecast

22.12
mon
Day
84°F
SE 7 mph
Precip.
0%
Night
75°F
NW 6 mph
Precip.
0%
23.12
tue
Day
84°F
SE 8 mph
Precip.
0%
Night
75°F
W 4 mph
Precip.
0%
24.12
wed
Day
84°F
SE 9 mph
Precip.
0%
Night
77°F
SW 6 mph
Precip.
69%
25.12
thu
Day
84°F
SE 9 mph
Precip.
0%
Night
77°F
W 5 mph
Precip.
26%
26.12
fri
Day
84°F
NE 7 mph
Precip.
57%
Night
77°F
W 5 mph
Precip.
100%
27.12
sat
Day
86°F
SW 6 mph
Precip.
0%
Night
77°F
W 6 mph
Precip.
0%
28.12
sun
Day
86°F
SW 6 mph
Precip.
0%
Night
75°F
W 6 mph
Precip.
0%

Sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 83.4°F. The highest and lowest sea temperatures during the month were 83.8°F and 82.9°F.

Sea water temperature in January, °F

Show year:
2025
2024
2023

The average sea water temperature in January of 2025 was 83.4°F. The highest and lowest sea temperatures during the month were 84.2°F and 82.4°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

Sunniest months:
March 21 days
February 19 days
January 16 days
Warmest months:
April 89.0 °F
March 88.9 °F
May 88.1 °F
Warmest sea temp:
May 86.4 °F
April 86.2 °F
March 85.2 °F
Coldest months:
September 84.9 °F
August 85.5 °F
July 85.6 °F
Rainiest months:
July 17 days
August 15 days
October 15 days
Windiest months:
July 9.1 mph
August 8.5 mph
June 8.5 mph

Similan on a weather map

Similan
+73°F
W 6 mph
Feels like: +77°F
Precip.: 0%
Places in Thailand:
Name
°F
+81°F
+73°F
+79°F
+79°F
+81°F
+77°F
+79°F
+79°F
+77°F
+79°F
+79°F
+81°F
+73°F
+73°F
24 Hours Forecast
Similan
Local time: 00:59
December 22, monday
0300
73°F
W
5 mph
0600
73°F
W
4 mph
0900
79°F
SW
3 mph
1200
84°F
SE
7 mph
1500
82°F
E
7 mph
1800
81°F
SE
2 mph
2100
77°F
W
5 mph
December 23, tuesday
0000
75°F
NW
6 mph
Units of measurement: °C / °F