World Resorts Vietnam Hoi An Weather

Hoi An Sea Temperature in May

Average sea water temperature in May:
+81.5°F
Minimum sea water temperature in May: 85.1°F
Maximum sea water temperature in May: 78.1°F

Daily sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 81.8°F. The highest and lowest sea temperatures during the month were 84.6°F and 78.1°F.

Monthly sea water temperature in Hoi An, °F

Which Vietnam resorts have warmest sea in May?

Place name May 2026 May 2025
Phu Quoc 87.6°F 87.9°F
Doc Let Beach 86.7°F 86.3°F
Cam Ranh 86.6°F 85.4°F
Vung Tau 86.4°F 86.4°F
Phan Thiet 86.2°F 85.6°F
Mui Ne 86.2°F 85.4°F
Ke Ga 86.1°F 85.6°F
Con Dao 86.1°F 85.6°F
Ho Chi Minh 86.0°F 86.1°F
Hue 86.0°F 82.5°F
Phan Rang 85.9°F 84.2°F
Nha Trang 85.6°F 85.2°F
Vinpearl 85.2°F 84.8°F
Thanh Hoa 84.1°F 82.2°F
Ha Long 83.9°F 81.6°F
Tuan Chau 83.8°F 81.6°F
Cat Ba Island 83.8°F 81.6°F
Hai Phong 83.1°F 81.4°F
Da Nang 82.6°F 81.8°F
Hoi An 81.8°F 81.4°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 85.5 °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
+81°F
NE 6 mph
Feels like: +84°F
Precip.: 15%
Places in Vietnam:
Name
°F
+79°F
+77°F
+66°F
+81°F
+79°F
+79°F
+81°F
+79°F
+79°F
+81°F
+82°F
+81°F
+81°F
+81°F
+82°F
24 Hours Forecast
Hoi An
Local time: 21:17
August 05, wednesday
0000
77°F
NE
8 mph
0300
79°F
NE
6 mph
0600
77°F
NE
6 mph
0900
84°F
NE
7 mph
1200
90°F
NE
9 mph
1500
77°F
E
7 mph
1800
77°F
NE
6 mph
2100
75°F
NE
6 mph

Best place for vacation:

Units of measurement: °C / °F