World Resorts Vietnam Hoi An Weather

Hoi An Sea Temperature in August

Average sea water temperature in August:
+85.6°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:
2026
2025
2024

The average sea water temperature in August of 2026 was 86.1°F. The highest and lowest sea temperatures during the month were 86.9°F and 84.9°F.

Monthly sea water temperature in Hoi An, °F

Which Vietnam resorts have warmest sea in August?

Place name August 2026 August 2025
Hue 86.7°F 86.5°F
Thanh Hoa 86.7°F 86.5°F
Da Nang 86.5°F 85.9°F
Ha Long 86.4°F 86.8°F
Cat Ba Island 86.2°F 86.7°F
Tuan Chau 86.1°F 86.7°F
Hoi An 86.1°F 85.4°F
Doc Let Beach 86.0°F 85.0°F
Hai Phong 85.4°F 86.1°F
Nha Trang 85.2°F 83.9°F
Con Dao 85.0°F 84.7°F
Vinpearl 84.7°F 83.6°F
Phu Quoc 84.5°F 85.1°F
Cam Ranh 84.3°F 83.7°F
Ho Chi Minh 83.8°F 83.2°F
Vung Tau 83.3°F 82.7°F
Phan Rang 81.9°F 82.1°F
Ke Ga 81.2°F 81.0°F
Phan Thiet 80.3°F 80.5°F
Mui Ne 80.2°F 80.4°F

Best time for vacation in Hoi An

Sunniest months:
April 17 days
May 16 days
June 16 days
Warmest months:
June 90.8 °F
August 90.2 °F
July 89.7 °F
Warmest sea temp:
August 85.6 °F
September 85.4 °F
July 84.5 °F
Coldest months:
January 73.9 °F
December 74.7 °F
February 76.1 °F
Rainiest months:
December 15 days
November 14 days
October 13 days
Windiest months:
December 7.8 mph
November 7.3 mph
April 7.2 mph

Hoi An on a weather map

Hoi An
+75°F
NE 6 mph
Feels like: +79°F
Precip.: 76%
Places in Vietnam:
Name
°F
+79°F
+75°F
+61°F
+75°F
+79°F
+81°F
+73°F
+79°F
+81°F
+73°F
+81°F
+73°F
+73°F
+75°F
+77°F
24 Hours Forecast
Hoi An
Local time: 04:00
September 14, monday
0600
75°F
NE
4 mph
0900
77°F
N
6 mph
1200
79°F
N
4 mph
1500
79°F
NW
5 mph
1800
79°F
NW
11 mph
2100
79°F
NW
7 mph
September 15, tuesday
0000
77°F
N
6 mph
0300
77°F
N
6 mph

Best place for vacation:

Units of measurement: °C / °F