Measurements:
°C
°F
Similan
84°F
NE 2 mph
Feels like: 88°F
Precip: 100%
World Resorts Thailand Similan Weather

Similan Sea Water Temperature

Current Sea Water Temperature:
+87.2°F
Maximum Sea Water Temperature in December: 90.2°F
Minimum Sea Water Temperature in December: 85.6°F
Average water temperature in December: 87.9°F

Sea Water Temperature for the Last 10 Days:

December 04 87.2°F November 29 86.6°F
December 03 87.0°F November 28 86.2°F
December 02 87.0°F November 27 86.8°F
December 01 86.6°F November 26 87.4°F
November 30 86.6°F November 25 87.4°F

When is the Warmest Sea for Similan?

According to our data for the last three years for Similan the highest average sea water temperature was in May, April and March.

Average Water Temperature by Month, °F

Sea Water Temperature in May

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for Similan was 90.4°F. The maximum and minimum values were 89.2°F and 91.6°F respectively.

Sea Water Temperature in April

Select Year: 2025 2024 2023

The average sea surface temperature in April 2025 for Similan was 90.5°F. The maximum and minimum values were 89.6°F and 91.4°F respectively.

Sea Water Temperature in March

Select Year: 2025 2024 2023

The average sea surface temperature in March 2025 for Similan was 89.3°F. The maximum and minimum values were 88.4°F and 90.2°F respectively.

Best Time to Visit Similan
The most sunny months:
March 21 days
February 19 days
January 16 days
The most warm months:
April 93.3 °F
March 93.2 °F
May 92.3 °F
Warmest sea temperature:
May 90.4 °F
April 90.3 °F
March 89.1 °F
The most cold months:
September 88.7 °F
August 89.4 °F
July 89.5 °F
The most rainy months:
July 17 days
August 15 days
October 15 days
The most windy months:
July 9 mph
August 8 mph
June 8 mph

Similan on the Weather Map

Thailand Resorts:
NAME
Bang Tao Beach +86
Bangkok +84
Karon Beach +86
Kata Beach +86
Khao Lak +84
Ko Li Pe +86
Koh Chang +86
Krabi +86
Patong Beach +86
Pattaya +86
Phi Phi +86
Phuket +86
Samet +86
Samui +84
Similan +84
24 Hours Weather Forecast
Similan
Local time: 13:35
05 dec, friday
1500 84°F
NE
2 mph
1800 80°F
NW
2 mph
2100 80°F
NW
5 mph
06 dec, saturday
0000 80°F
W
4 mph
0300 78°F
W
6 mph
0600 78°F
W
6 mph
0900 82°F
W
5 mph
1200 90°F
S
2 mph

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