World Resorts Vietnam Hoi An Weather

Hoi An Sea Temperature in August

Average sea water temperature in August:
+85.5°F
Minimum sea water temperature in August: 87.4°F
Maximum sea water temperature in August: 82.9°F

Daily sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 85.4°F. The highest and lowest sea temperatures during the month were 86.0°F and 84.6°F.

Monthly sea water temperature in Hoi An, °F

Which Vietnam resorts have warmest sea in August?

Place name August 2025 August 2024
Ha Long 86.8°F 87.4°F
Tuan Chau 86.7°F 87.1°F
Cat Ba Island 86.7°F 87.2°F
Hue 86.5°F 87.6°F
Thanh Hoa 86.5°F 87.6°F
Hai Phong 86.1°F 86.0°F
Da Nang 85.9°F 86.4°F
Hoi An 85.4°F 85.7°F
Phu Quoc 85.1°F 85.3°F
Doc Let Beach 85.0°F 85.8°F
Con Dao 84.7°F 85.8°F
Nha Trang 83.9°F 84.1°F
Cam Ranh 83.7°F 84.7°F
Vinpearl 83.6°F 83.7°F
Ho Chi Minh 83.2°F 84.6°F
Vung Tau 82.7°F 84.6°F
Phan Rang 82.1°F 82.8°F
Ke Ga 81.0°F 83.6°F
Phan Thiet 80.5°F 83.0°F
Mui Ne 80.4°F 83.1°F

Best time for vacation in Hoi An

Sunniest months:
April 17 days
May 16 days
June 16 days
Warmest months:
June 90.9 °F
August 90.3 °F
July 89.8 °F
Warmest sea temp:
August 85.5 °F
September 85.4 °F
July 84.5 °F
Coldest months:
January 74.0 °F
December 74.8 °F
February 76.2 °F
Rainiest months:
December 16 days
November 14 days
October 13 days
Windiest months:
December 7.9 mph
November 7.3 mph
April 7.2 mph

Hoi An on a weather map

Hoi An
+75°F
W 11 mph
Feels like: +81°F
Precip.: 100%
Places in Vietnam:
Name
°F
+79°F
+84°F
+73°F
+75°F
+77°F
+77°F
+70°F
+82°F
+79°F
+77°F
+82°F
+84°F
+66°F
+68°F
+86°F
24 Hours Forecast
Hoi An
Local time: 11:38
December 05, friday
1200
75°F
W
11 mph
1500
75°F
W
11 mph
1800
73°F
SW
9 mph
2100
73°F
W
11 mph
December 06, saturday
0000
72°F
W
9 mph
0300
72°F
W
7 mph
0600
72°F
W
9 mph
0900
75°F
W
8 mph

Best place for vacation:

Units of measurement: °C / °F