Weather in Hoi An: August
| Average day temperature: | 90.2°F | |
| Average night temperature: | 77.5°F | |
| Sea water temperature: | 85.6°F | |
| Number of sunny days: | 12 days | |
| Day length: | 11.7 - 12.8 hours | |
| Number of rainy days: | 8 days | |
| Precipitation totals: | 4.7 in. | |
| more information | ||
14 days
forecast
forecast
| Hoi An |
sea water
temperature
temperature
| Hoi An |
Air temperature in August, °F
Show year:
2026
2025
2024
The highest day temperature during August of 2026 was 94°F. At the same time the lowest night temperature was 75°F. Daily and nightly averages during August were 88.2°F and 80.6°F.
Sea water temperature in Hoi An 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.
Sunny, partly cloudy and cloudy days
Mostly all days in August are partly cloudy but sunny or cloudy days are also possible.
Precipitation total in August, in.
Precipitation total value in Hoi An in August is 4.5 in.
Wind speed in August, mph
The average wind speed value in August is 6.6 mph
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 7.2.
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: 13:31
September 11, friday
1500

81°F
SW
17 mph
17 mph
1800

81°F
S
19 mph
19 mph
2100

79°F
S
12 mph
12 mph
September 12, saturday
0000

79°F
S
13 mph
13 mph
0300

77°F
S
24 mph
24 mph
0600

75°F
S
22 mph
22 mph
0900

75°F
SE
18 mph
18 mph
1200

77°F
S
22 mph
22 mph



























