World Resorts Thailand Samui Weather

Samui Sea Temperature in January

Average sea water temperature in January:
+82.4°F
Minimum sea water temperature in January: 85.1°F
Maximum sea water temperature in January: 79.2°F

Daily sea water temperature in January, °F

Show year:
2025
2024
2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
76
78
80
82
84
86
88
90

The average sea water temperature in January of 2025 was 81.6°F. The highest and lowest sea temperatures during the month were 82.4°F and 80.4°F.

Monthly sea water temperature in Samui, °F

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
14
28
42
56
70
84
98
112
83
84.5
84.9
85
85.2
85.6
86.5
87.5
86.6
84.5
83.1
82.4

Which Thailand resorts have warmest sea in January?

Place name January 2025 January 2024
Ko Li Pe 84.1°F 83.3°F
Khao Lak 83.7°F 84.0°F
Nai Harn Beach 83.7°F 83.6°F
Rawai Beach 83.7°F 83.6°F
Karon Beach 83.7°F 83.8°F
Kata Beach 83.7°F 83.8°F
Patong Beach 83.6°F 83.8°F
Kalim Beach 83.6°F 83.9°F
Surin Beach 83.6°F 84.0°F
Kamala Beach 83.6°F 84.0°F
Bang Tao Beach 83.6°F 84.0°F
Cape Panwa 83.6°F 83.7°F
Phi Phi 83.6°F 83.3°F
Mai Khao Beach 83.6°F 84.0°F
Nai Yang Beach 83.6°F 84.0°F
Phuket 83.5°F 83.9°F
Similan 83.4°F 84.1°F
Koh Lanta 83.2°F 83.2°F
Krabi 83.2°F 83.2°F
Hat Yai 82.8°F 83.3°F

Best time for vacation in Samui

Sunniest months:
April 18 days
March 15 days
May 15 days
Warmest months:
May 88.6 °F
June 88.0 °F
July 87.3 °F
Warmest sea temp:
May 87.5 °F
April 86.6 °F
June 86.5 °F
Coldest months:
January 83.2 °F
February 83.7 °F
December 83.8 °F
Rainiest months:
November 15 days
October 11 days
December 10 days
Windiest months:
July 12.0 mph
December 11.8 mph
September 11.7 mph

Samui on a weather map

Leaflet | Tiles © Esri
Places in Thailand:
Name
°F
+97°F
+82°F
+79°F
+86°F
+86°F
+84°F
+84°F
+88°F
+82°F
+86°F
+82°F
+84°F
+86°F
+81°F
+86°F
24 Hours Forecast
Samui
Local time: 14:46
February 23, sunday
1500
81°F
NW
6 mph
1800
82°F
W
10 mph
2100
81°F
W
6 mph
February 24, monday
0000
81°F
NW
9 mph
0300
81°F
W
17 mph
0600
79°F
W
22 mph
0900
79°F
W
20 mph
1200
81°F
W
22 mph
Units of measurement: °C / °F