World Resorts Thailand Similan Weather

Similan sea water temperature

Current sea water temperature:
+85.1°F
Minimum sea water temperature in July: 87.3°F
Maximum sea water temperature in July: 82.2°F
Average sea water temperature in July: 84.5°F

Sea water temperature for the last 10 days:

July 15 85.1°F July 10 85.5°F
July 14 85.1°F July 9 85.5°F
July 13 85.1°F July 8 85.5°F
July 12 84.9°F July 7 85.5°F
July 11 85.5°F July 6 85.3°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:
2026
2025
2024

The average sea water temperature in May of 2026 was 87.0°F. The highest and lowest sea temperatures during the month were 88.5°F and 85.5°F.

Sea water temperature in April, °F

Show year:
2026
2025
2024

The average sea water temperature in April of 2026 was 86.9°F. The highest and lowest sea temperatures during the month were 88.2°F and 86.2°F.

Sea water temperature in March, °F

Show year:
2026
2025
2024

The average sea water temperature in March of 2026 was 85.7°F. The highest and lowest sea temperatures during the month were 86.9°F and 84.7°F.

Best time for vacation in Similan

Sunniest months:
March 20 days
February 19 days
January 16 days
Warmest months:
April 88.8 °F
March 88.6 °F
May 87.8 °F
Warmest sea temp:
May 86.4 °F
April 86.3 °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 8.4 mph

Similan on a weather map

Similan
+84°F
NE 9 mph
Feels like: +91°F
Precip.: 53%
Places in Thailand:
Name
°F
+93°F
+84°F
+84°F
+84°F
+86°F
+82°F
+84°F
+84°F
+88°F
+84°F
+84°F
+84°F
+86°F
24 Hours Forecast
Similan
Local time: 15:17
July 15, wednesday
1800
82°F
NE
7 mph
2100
81°F
NE
5 mph
July 16, thursday
0000
81°F
NE
5 mph
0300
81°F
NE
6 mph
0600
81°F
NE
4 mph
0900
82°F
NE
4 mph
1200
84°F
NE
7 mph
1500
84°F
NE
7 mph

Best place for vacation:

Units of measurement: °C / °F