World Resorts Thailand Similan Weather

Similan sea water temperature

Current sea water temperature:
+85.5°F
Minimum sea water temperature in March: 87.3°F
Maximum sea water temperature in March: 83.3°F
Average sea water temperature in March: 85.2°F

Sea water temperature for the last 10 days:

March 17 85.5°F March 12 85.3°F
March 16 85.1°F March 11 85.8°F
March 15 85.5°F March 10 84.9°F
March 14 85.3°F March 9 85.8°F
March 13 85.1°F March 8 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

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
14
28
42
56
70
84
98
112
84.1
84.8
84
83.8
84
84.5
85.1
86.4
86.2
85.2
84.1
83.6

Sea water temperature in May, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
80
82
84
86
88
90
92
94

The average sea water temperature in May of 2024 was 87.8°F. The highest and lowest sea temperatures during the month were 88.7°F and 86.4°F.

Sea water temperature in April, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
81
83
85
87
89
91
93

The average sea water temperature in April of 2024 was 87.1°F. The highest and lowest sea temperatures during the month were 88.3°F and 85.8°F.

Sea water temperature in March, °F

Show year:
2025
2024
2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
79
81
83
85
87
89
91
93

The average sea water temperature in March of 2025 was 85.1°F. The highest and lowest sea temperatures during the month were 85.8°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 89.1 °F
March 88.8 °F
May 88.3 °F
Warmest sea temp:
May 86.4 °F
April 86.2 °F
March 85.2 °F
Coldest months:
September 85.1 °F
August 85.7 °F
July 85.7 °F
Rainiest months:
July 17 days
August 15 days
October 15 days
Windiest months:
July 9.0 mph
June 8.6 mph
August 8.6 mph

Similan on a weather map

Leaflet | Tiles © Esri
Places in Thailand:
Name
°F
+93°F
+86°F
+95°F
+84°F
+84°F
+88°F
+84°F
+84°F
+82°F
+97°F
+86°F
+84°F
+97°F
+82°F
+88°F
24 Hours Forecast
Similan
Local time: 15:22
March 17, monday
1800
84°F
S
7 mph
2100
77°F
SE
4 mph
March 18, tuesday
0000
73°F
SE
2 mph
0300
73°F
S
1 mph
0600
72°F
SW
0 mph
0900
82°F
W
2 mph
1200
93°F
W
6 mph
1500
93°F
SW
11 mph

Best place for vacation:

Units of measurement: °C / °F