Current sea water temperature:
+84.9°F
| Minimum sea water temperature in July: | 86.9°F |
| Maximum sea water temperature in July: | 80.6°F |
| Average sea water temperature in July: | 84.5°F |
| more information | |
14 days
forecast
forecast
| Hoi An |
monthly
weather
weather
| Hoi An |
Sea water temperature for the last 10 days:
| July 15 | 84.9°F | July 10 | 84.2°F |
| July 14 | 84.9°F | July 9 | 83.7°F |
| July 13 | 84.6°F | July 8 | 83.1°F |
| July 12 | 84.9°F | July 7 | 82.6°F |
| July 11 | 84.0°F | July 6 | 83.7°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:
2026
2025
2024
The average sea water temperature in July of 2026 was 84.2°F. The highest and lowest sea temperatures during the month were 85.1°F and 82.6°F.
current
weather
weather
| Hoi An |
weather in
July
July
| 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: 17:42
July 15, wednesday
1800

84°F
NW
2 mph
2 mph
2100

82°F
NE
7 mph
7 mph
July 16, thursday
0000

81°F
NE
9 mph
9 mph
0300

81°F
NE
7 mph
7 mph
0600

81°F
NE
9 mph
9 mph
0900

88°F
NE
11 mph
11 mph
1200

88°F
NE
11 mph
11 mph
1500

86°F
E
4 mph
4 mph



























