World Resorts Thailand Similan Weather

Similan sea water temperature

Current sea water temperature:
+83.5°F
Minimum sea water temperature in December: 86.2°F
Maximum sea water temperature in December: 82.0°F
Average sea water temperature in December: 84.1°F

Sea water temperature for the last 10 days:

December 4 83.5°F November 29 82.9°F
December 3 83.3°F November 28 82.6°F
December 2 83.3°F November 27 83.1°F
December 1 82.9°F November 26 83.7°F
November 30 82.9°F November 25 83.7°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
+81°F
E 6 mph
Feels like: +86°F
Precip.: 100%
Places in Thailand:
Name
°F
+79°F
+81°F
+84°F
+84°F
+81°F
+81°F
+81°F
+82°F
+84°F
+84°F
+81°F
+84°F
+81°F
+81°F
24 Hours Forecast
Similan
Local time: 10:55
December 05, friday
1200
81°F
E
6 mph
1500
81°F
NE
2 mph
1800
77°F
NW
2 mph
2100
77°F
NW
5 mph
December 06, saturday
0000
77°F
W
4 mph
0300
75°F
W
6 mph
0600
75°F
W
6 mph
0900
79°F
W
5 mph

Best place for vacation:

Units of measurement: °C / °F