World Resorts Thailand Similan Weather

Similan sea water temperature

Current sea water temperature:
+86.7°F
Minimum sea water temperature in October: 87.1°F
Maximum sea water temperature in October: 81.7°F
Average sea water temperature in October: 84.1°F

Sea water temperature for the last 10 days:

October 24 86.7°F October 19 86.7°F
October 23 87.1°F October 18 86.7°F
October 22 86.7°F October 17 86.5°F
October 21 86.5°F October 16 86.0°F
October 20 86.4°F October 15 86.2°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 84.7 °F
August 85.3 °F
July 85.4 °F
Rainiest months:
July 17 days
August 15 days
October 15 days
Windiest months:
July 9.1 mph
August 8.6 mph
June 8.4 mph

Similan on a weather map

Similan
+81°F
SE 2 mph
Feels like: +88°F
Precip.: 25%
Places in Thailand:
Name
°F
+82°F
+84°F
+81°F
+81°F
+81°F
+82°F
+82°F
+81°F
+81°F
+75°F
+84°F
+81°F
+84°F
+81°F
24 Hours Forecast
Similan
Local time: 03:35
October 25, sunday
0600
81°F
SW
1 mph
0900
82°F
E
2 mph
1200
84°F
E
6 mph
1500
82°F
E
5 mph
1800
81°F
E
3 mph
2100
81°F
E
2 mph
October 26, monday
0000
81°F
E
1 mph
0300
79°F
N
1 mph

Best place for vacation:

Units of measurement: °C / °F