27.08
thu
thu
Day
84°F
N 1 mph
Precip.
15%
15%
Night
79°F
S 1 mph
Precip.
20%
20%
28.08
fri
fri
Day
88°F
W 5 mph
Precip.
19%
19%
Night
77°F
NW 2 mph
Precip.
45%
45%
29.08
sat
sat
Day
81°F
S 3 mph
Precip.
19%
19%
Night
75°F
SE 4 mph
Precip.
25%
25%
30.08
sun
sun
Day
81°F
NE 5 mph
Precip.
16%
16%
Night
73°F
NW 2 mph
Precip.
47%
47%
31.08
mon
mon
Day
79°F
SE 2 mph
Precip.
11%
11%
Night
75°F
SE 2 mph
Precip.
14%
14%
01.09
tue
tue
Day
82°F
W 3 mph
Precip.
11%
11%
Night
75°F
SW 6 mph
Precip.
8%
8%
02.09
wed
wed
Day
82°F
SW 16 mph
Precip.
12%
12%
Night
75°F
SW 13 mph
Precip.
16%
16%
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 81.4°F. The highest and lowest sea temperatures during the month were 85.1°F and 79.3°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 76.6°F. The highest and lowest sea temperatures during the month were 81.0°F and 72.1°F.
Air temperature in Seoul, °F
Precipitation total in Seoul, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Seoul
Seoul on a weather map
Places in South Korea:
Name
°F
24 Hours Forecast
Seoul
Local time: 04:09
August 27, thursday
0600
77°F
S
2 mph
2 mph
0900
77°F
S
2 mph
2 mph
1200
84°F
N
1 mph
1 mph
1500
88°F
E
2 mph
2 mph
1800
86°F
SE
4 mph
4 mph
2100
81°F
SE
2 mph
2 mph
August 28, friday
0000
79°F
S
1 mph
1 mph
0300
77°F
W
2 mph
2 mph
