Measurements:
°C
°F
Seoul
28°F
SW 1 mph
Feels like: 28°F
Precip: 0%
World Resorts South Korea Seoul Weather August Weather in Seoul

Seoul Weather: August

Average Day Temperature: 91.1°F
Average Night Temperature: 78.2°F
Sea Water Temperature: 81.8°F
Number of Sunny Days: 10 days
Sunshine Hours: 13.0 - 14.1 hours
Number of Rainy Days: 8 days
Precipitation Totals: 8.6 in

Air Temperature in August, °F

Select Year: 2025 2024 2023

The highest day temperature in August 2025 was 100°F. The lowest night temperature was 74°F. The average values for day and night temperatures during August were 92.5°F и 79.2°F respectivly.

Seoul Water Sea Temperature in August, °F

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Seoul was 84.2°F. The maximum and minimum values were 81.6°F and 86.0°F respectively.

Sunny, Cloudy and Gloomy days

You can expect various weather conditions during August. Be ready for sunny, cloudy or even gloomy days.

Precipitation Totals in August, in

Precipitation total in August for Seoul is 8.6 in. It makes august one of the most rainy months of the year.

Wind Speed in August, mph

The average wind speed in August is 5.4 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Seoul in August is 7.4 hours.

Best Time to Visit Seoul
The most sunny months:
May 19 days
October 18 days
March 17 days
The most warm months:
August 91.1 °F
July 89.9 °F
June 85.7 °F
Warmest sea temperature:
August 81.9 °F
September 77.6 °F
July 77.4 °F
The most cold months:
January 30.9 °F
December 34.4 °F
February 36.9 °F
The most rainy months:
July 11 days
August 8 days
June 5 days
The most windy months:
April 7 mph
March 7 mph
May 6 mph

Seoul on the Weather Map

South Korea Resorts:
NAME
Busan +40
Incheon +34
Jeju +42
Muju +26
Seoul +28
Yongpyong +22
24 Hours Weather Forecast
Seoul
Local time: 17:31
05 dec, friday
1800 28°F
SW
1 mph
2100 26°F
W
2 mph
06 dec, saturday
0000 26°F
NW
3 mph
0300 26°F
NW
3 mph
0600 28°F
NW
4 mph
0900 28°F
NW
4 mph
1200 32°F
NW
4 mph
1500 32°F
NW
3 mph