World Resorts Thailand Similan Weather

Similan sea water temperature

Current sea water temperature:
+88.2°F
Minimum sea water temperature in May: 88.7°F
Maximum sea water temperature in May: 82.0°F
Average sea water temperature in May: 86.4°F

Sea water temperature for the last 10 days:

May 15 88.2°F May 10 88.2°F
May 14 88.3°F May 9 88.3°F
May 13 88.0°F May 8 88.2°F
May 12 88.0°F May 7 88.5°F
May 11 88.0°F May 6 88.0°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 88.0°F. The highest and lowest sea temperatures during the month were 88.5°F and 87.3°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 88.1 °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 8.5 mph

Similan on a weather map

Similan
+81°F
E 6 mph
Feels like: +88°F
Precip.: 100%
Places in Thailand:
Name
°F
+84°F
+81°F
+81°F
+81°F
+82°F
+84°F
+84°F
+81°F
+82°F
+84°F
+81°F
+84°F
+81°F
24 Hours Forecast
Similan
Local time: 06:09
May 16, saturday
0900
82°F
NE
7 mph
1200
82°F
NE
9 mph
1500
82°F
E
11 mph
1800
81°F
E
8 mph
2100
81°F
NE
6 mph
May 17, sunday
0000
81°F
NE
6 mph
0300
81°F
E
9 mph
0600
79°F
E
12 mph

Best place for vacation:

Units of measurement: °C / °F