World Resorts Thailand Similan Weather

Similan sea water temperature

Current sea water temperature:
+84.4°F
Minimum sea water temperature in February: 85.8°F
Maximum sea water temperature in February: 82.0°F
Average sea water temperature in February: 84.1°F

Sea water temperature for the last 10 days:

February 23 84.4°F February 18 84.6°F
February 22 84.4°F February 17 84.7°F
February 21 84.2°F February 16 84.7°F
February 20 84.4°F February 15 84.6°F
February 19 84.7°F February 14 84.4°F

When is the warmest sea in Similan?

Based on the data about daily sea water temperature for the last three years the warmest sea in Similan was noticed in May, April and March.

Monthly Sea Temperatures in Similan, °F

Sea water temperature in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 86.3°F. The highest and lowest sea temperatures during the month were 87.4°F and 85.3°F.

Sea water temperature in April, °F

Show year:
2025
2024
2023

The average sea water temperature in April of 2025 was 86.5°F. The highest and lowest sea temperatures during the month were 87.3°F and 85.6°F.

Sea water temperature in March, °F

Show year:
2025
2024
2023

The average sea water temperature in March of 2025 was 85.3°F. The highest and lowest sea temperatures during the month were 86.2°F and 84.6°F.

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
+77°F
NW 3 mph
Feels like: +81°F
Precip.: 79%
Places in Thailand:
Name
°F
+82°F
+77°F
+79°F
+79°F
+81°F
+81°F
+81°F
+77°F
+81°F
+79°F
+79°F
+81°F
+79°F
+81°F
+75°F
24 Hours Forecast
Similan
Local time: 04:51
February 24, tuesday
0600
77°F
NW
3 mph
0900
81°F
NW
2 mph
1200
84°F
E
9 mph
1500
84°F
E
8 mph
1800
82°F
SE
6 mph
2100
79°F
S
3 mph
February 25, wednesday
0000
79°F
W
4 mph
0300
77°F
W
4 mph

Best place for vacation:

Units of measurement: °C / °F