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
Thanh Hoa 87.0°F 86.5°F
Hue 86.8°F 86.5°F
Ha Long 86.7°F 86.8°F
Cat Ba Island 86.5°F 86.7°F
Da Nang 86.5°F 85.9°F
Tuan Chau 86.4°F 86.7°F
Doc Let Beach 86.3°F 85.0°F
Hoi An 86.1°F 85.4°F
Hai Phong 85.7°F 86.1°F
Nha Trang 85.2°F 83.9°F
Con Dao 84.9°F 84.7°F
Vinpearl 84.8°F 83.6°F
Cam Ranh 84.6°F 83.7°F
Phu Quoc 84.5°F 85.1°F
Ho Chi Minh 83.8°F 83.2°F
Vung Tau 83.3°F 82.7°F
Phan Rang 82.2°F 82.1°F
Ke Ga 81.3°F 81.0°F
Phan Thiet 80.5°F 80.5°F
Mui Ne 80.5°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 90.3 °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
+82°F
NE 10 mph
Feels like: +88°F
Precip.: 18%
Places in Vietnam:
Name
°F
+81°F
+75°F
+63°F
+82°F
+81°F
+81°F
+75°F
+81°F
+81°F
+75°F
+81°F
+77°F
+77°F
+82°F
+81°F
24 Hours Forecast
Hoi An
Local time: 03:17
August 25, tuesday
0600
82°F
NE
12 mph
0900
88°F
NE
14 mph
1200
90°F
NE
15 mph
1500
88°F
NE
13 mph
1800
86°F
E
8 mph
2100
86°F
NE
12 mph
August 26, wednesday
0000
82°F
NE
11 mph
0300
81°F
NE
9 mph

Best place for vacation:

Units of measurement: °C / °F