World Resorts Thailand Similan Weather

Similan 7 Days Forecast

25.12
thu
Day
84°F
SE 7 mph
Precip.
0%
Night
77°F
NW 6 mph
Precip.
68%
26.12
fri
Day
86°F
SW 2 mph
Precip.
0%
Night
77°F
W 6 mph
Precip.
89%
27.12
sat
Day
81°F
W 2 mph
Precip.
77%
Night
77°F
W 6 mph
Precip.
0%
28.12
sun
Day
88°F
S 4 mph
Precip.
0%
Night
77°F
W 6 mph
Precip.
0%
29.12
mon
Day
86°F
E 4 mph
Precip.
0%
Night
77°F
W 4 mph
Precip.
100%
30.12
tue
Day
82°F
N 6 mph
Precip.
100%
Night
77°F
W 2 mph
Precip.
72%
31.12
wed
Day
79°F
NE 3 mph
Precip.
100%
Night
77°F
N 2 mph
Precip.
100%

Sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 83.5°F. The highest and lowest sea temperatures during the month were 84.0°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
+84°F
SE 9 mph
Feels like: +90°F
Precip.: 0%
Places in Thailand:
Name
°F
+95°F
+84°F
+84°F
+84°F
+82°F
+88°F
+86°F
+84°F
+88°F
+84°F
+84°F
+81°F
+84°F
+84°F
24 Hours Forecast
Similan
Local time: 15:43
December 25, thursday
1800
82°F
S
5 mph
2100
79°F
W
4 mph
December 26, friday
0000
77°F
NW
6 mph
0300
79°F
W
2 mph
0600
79°F
W
4 mph
0900
81°F
W
4 mph
1200
86°F
SW
2 mph
1500
84°F
W
2 mph
Units of measurement: °C / °F