World Resorts Vietnam Hoi An Weather

Hoi An 7 Days Forecast

25.08
tue
Day
88°F
E 14 mph
Precip.
13%
Night
82°F
NE 12 mph
Precip.
17%
26.08
wed
Day
93°F
S 9 mph
Precip.
12%
Night
82°F
NE 9 mph
Precip.
17%
27.08
thu
Day
91°F
S 11 mph
Precip.
13%
Night
82°F
NE 11 mph
Precip.
18%
28.08
fri
Day
91°F
SE 6 mph
Precip.
12%
Night
84°F
NE 12 mph
Precip.
16%
29.08
sat
Day
93°F
S 7 mph
Precip.
12%
Night
84°F
NE 14 mph
Precip.
15%
30.08
sun
Day
91°F
E 8 mph
Precip.
9%
Night
79°F
NE 11 mph
Precip.
34%
31.08
mon
Day
90°F
SE 7 mph
Precip.
12%
Night
79°F
E 6 mph
Precip.
20%

Sea water temperature 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.

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.

Air temperature in Hoi An, °F

Precipitation total in Hoi An, in.

* Charts above show average data for the last 3 years.

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 85.6 °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
+86°F
NE 16 mph
Feels like: +93°F
Precip.: 14%
Places in Vietnam:
Name
°F
+88°F
+84°F
+70°F
+86°F
+88°F
+90°F
+86°F
+90°F
+90°F
+86°F
+82°F
+81°F
+82°F
+86°F
+90°F
24 Hours Forecast
Hoi An
Local time: 10:31
August 25, tuesday
1200
88°F
E
14 mph
1500
91°F
E
9 mph
1800
90°F
NE
17 mph
2100
86°F
NE
11 mph
August 26, wednesday
0000
82°F
NE
12 mph
0300
82°F
NE
11 mph
0600
82°F
NE
11 mph
0900
91°F
NE
14 mph
Units of measurement: °C / °F