World Resorts Thailand Samui Weather

Samui Sea Temperature in April

Average sea water temperature in April:
+86.6°F
Minimum sea water temperature in April: 89.6°F
Maximum sea water temperature in April: 82.6°F

Daily sea water temperature in April, °F

Show year:
2026
2025
2024

The average sea water temperature in April of 2026 was 86.7°F. The highest and lowest sea temperatures during the month were 87.6°F and 84.4°F.

Monthly sea water temperature in Samui, °F

Which Thailand resorts have warmest sea in April?

Place name April 2026 April 2025
Koh Lanta 88.5°F 87.4°F
Trat 88.3°F 87.6°F
Krabi 88.2°F 87.2°F
Chumphon 88.1°F 86.8°F
Koh Chang 88.0°F 86.8°F
Ko Mak 88.0°F 86.4°F
Ko Wai 88.0°F 86.6°F
Rayong 87.9°F 86.9°F
Samet 87.9°F 86.9°F
Hat Yai 87.9°F 87.2°F
Koh Kood 87.8°F 86.7°F
Surat Thani 87.6°F 87.2°F
Cha-am 87.5°F 87.1°F
Pattaya 87.5°F 86.2°F
Jomtien 87.5°F 86.2°F
Hua Hin 87.3°F 86.8°F
Phi Phi 87.2°F 86.8°F
Bangkok 87.1°F 86.4°F
Taling Ngam Beach 87.1°F 86.6°F
Cape Panwa 87.1°F 86.3°F

Best time for vacation in Samui

Sunniest months:
April 17 days
May 14 days
March 14 days
Warmest months:
May 88.3 °F
June 87.8 °F
July 87.1 °F
Warmest sea temp:
May 87.4 °F
April 86.6 °F
June 86.5 °F
Coldest months:
January 83.0 °F
February 83.3 °F
December 83.6 °F
Rainiest months:
November 15 days
October 11 days
December 9 days
Windiest months:
July 12.3 mph
September 11.9 mph
December 11.6 mph

Samui on a weather map

Samui
+84°F
NW 11 mph
Feels like: +90°F
Precip.: 0%
Places in Thailand:
Name
°F
+84°F
+79°F
+81°F
+81°F
+82°F
+82°F
+84°F
+77°F
+84°F
+81°F
+81°F
+82°F
+81°F
+84°F
+79°F
24 Hours Forecast
Samui
Local time: 04:40
April 27, monday
0600
84°F
NW
11 mph
0900
84°F
NW
11 mph
1200
86°F
NW
11 mph
1500
86°F
NW
12 mph
1800
86°F
W
14 mph
2100
86°F
NW
15 mph
April 28, tuesday
0000
84°F
NW
14 mph
0300
84°F
N
14 mph
Units of measurement: °C / °F