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:
2025
2024
2023

The average sea water temperature in May of 2025 was 81.4°F. The highest and lowest sea temperatures during the month were 82.8°F and 79.7°F.

Monthly sea water temperature in Hoi An, °F

Which Vietnam resorts have warmest sea in May?

Place name May 2025 May 2024
Phu Quoc 87.9°F 89.0°F
Vung Tau 86.4°F 87.9°F
Doc Let Beach 86.3°F 87.0°F
Ho Chi Minh 86.1°F 87.5°F
Ke Ga 85.6°F 87.7°F
Con Dao 85.6°F 88.2°F
Phan Thiet 85.6°F 88.0°F
Cam Ranh 85.4°F 87.5°F
Mui Ne 85.4°F 87.9°F
Nha Trang 85.2°F 86.6°F
Vinpearl 84.8°F 86.5°F
Phan Rang 84.2°F 87.3°F
Hue 82.5°F 85.2°F
Thanh Hoa 82.2°F 83.6°F
Da Nang 81.8°F 82.8°F
Cat Ba Island 81.6°F 83.3°F
Tuan Chau 81.6°F 83.3°F
Ha Long 81.6°F 82.9°F
Hai Phong 81.4°F 84.2°F
Hoi An 81.4°F 82.4°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
+72°F
S 6 mph
Feels like: +72°F
Precip.: 100%
Places in Vietnam:
Name
°F
+73°F
+73°F
+61°F
+72°F
+73°F
+72°F
+66°F
+75°F
+73°F
+72°F
+75°F
+79°F
+66°F
+66°F
+75°F
24 Hours Forecast
Hoi An
Local time: 21:04
December 17, wednesday
0000
72°F
S
4 mph
0300
72°F
S
4 mph
0600
72°F
S
6 mph
0900
73°F
SW
7 mph
1200
73°F
SW
11 mph
1500
73°F
SW
11 mph
1800
73°F
SW
9 mph
2100
72°F
SW
7 mph

Best place for vacation:

Units of measurement: °C / °F