Current sea water temperature:
+78.4°F
| Minimum sea water temperature in April: | 82.6°F |
| Maximum sea water temperature in April: | 72.7°F |
| Average sea water temperature in April: | 77.6°F |
| more information | |
14 days
forecast
forecast
| Hoi An |
monthly
weather
weather
| Hoi An |
Sea water temperature for the last 10 days:
| April 25 | 78.4°F | April 20 | 78.8°F |
| April 24 | 78.3°F | April 19 | 78.6°F |
| April 23 | 78.1°F | April 18 | 79.2°F |
| April 22 | 77.9°F | April 17 | 79.3°F |
| April 21 | 78.3°F | April 16 | 80.4°F |
Monthly sea water temperature, °F
When is the warmest sea in Hoi An?
Based on the data about daily sea water temperature for the last three years the warmest sea in Hoi An was noticed in August, September and July.
Monthly Sea Temperatures in Hoi An, °F
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.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 85.0°F. The highest and lowest sea temperatures during the month were 86.4°F and 84.0°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 85.0°F. The highest and lowest sea temperatures during the month were 86.4°F and 83.1°F.
current
weather
weather
| Hoi An |
weather in
April
April
| Hoi An |
Best time for vacation in Hoi An
Hoi An on a weather map
Places in Vietnam:
Name
°F
24 Hours Forecast
Hoi An
Local time: 03:32
April 26, sunday
0600

73°F
NE
4 mph
4 mph
0900

82°F
NW
5 mph
5 mph
1200

82°F
W
11 mph
11 mph
1500

82°F
W
11 mph
11 mph
1800

77°F
W
6 mph
6 mph
2100

75°F
NW
4 mph
4 mph
April 27, monday
0000

73°F
N
5 mph
5 mph
0300

72°F
N
4 mph
4 mph



























