Weather in South Korea for August 2027
In general, the average temperature in South Korea at the beginning of August is 32.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 27.8 °C by the end of August.
South Korea in August brings notable rainfall, with an average of 19 rainy days and a total precipitation of 344.4 mm.
Is August a good time to visit South Korea? check out the best time to travel to South Korea page.
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South Korea Weather August
What’s the Weather Like in South Korea This August?
Temperatures trend during August in South Korea
August weather in South Korea day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. |  Moderate rain at times | 32° /25° | 5.9 mm | 7 | |
| 2 Aug. |  Light rain | 32° /25° | 4.4 mm | 8 | |
| 3 Aug. |  Patchy rain possible | 33° /25° | 1.4 mm | 8 | |
| 4 Aug. | Light rain | 33° /25° | 3.2 mm | 7 | |
| 5 Aug. | Light rain | 34° /26° | 2.7 mm | 8 | |
| 6 Aug. |  Moderate rain | 33° /25° | 12.3 mm | 8 | |
| 7 Aug. | Light rain | 33° /25° | 3.5 mm | 8 | |
| 8 Aug. | Moderate rain | 31° /24° | 12.6 mm | 7 | |
| 9 Aug. | Moderate rain | 30° /23° | 22.1 mm | 8 | |
| 10 Aug. |  Heavy rain | 30° /22° | 44.6 mm | 8 | |
| 11 Aug. | Moderate rain | 30° /23° | 18.8 mm | 7 | |
| 12 Aug. | Light rain | 31° /22° | 3 mm | 8 | |
| 13 Aug. | Moderate rain | 29° /23° | 17.1 mm | 7 | |
| 14 Aug. | Moderate or heavy rain shower | 31° /23° | 7.6 mm | 7 | |
| 15 Aug. | Light rain | 30° /23° | 6.7 mm | 7 | |
| 16 Aug. | Light rain | 30° /23° | 4 mm | 7 | |
| 17 Aug. | Light rain | 30° /23° | 4.5 mm | 6 | |
| 18 Aug. | Patchy rain possible | 31° /23° | 1.9 mm | 7 | |
| 19 Aug. | Light rain | 31° /23° | 3.8 mm | 6 | |
| 20 Aug. | Light rain | 31° /23° | 8.9 mm | 6 | |
| 21 Aug. | Heavy rain | 29° /23° | 36.2 mm | 6 | |
| 22 Aug. | Moderate rain | 29° /23° | 15.2 mm | 6 | |
| 23 Aug. | Moderate rain | 29° /23° | 21.4 mm | 7 | |
| 24 Aug. | Moderate rain | 29° /22° | 23.7 mm | 6 | |
| 25 Aug. | Light rain | 29° /22° | 4.6 mm | 6 | |
| 26 Aug. | Light rain | 29° /22° | 3.5 mm | 6 | |
| 27 Aug. | Light rain | 27° /21° | 3.2 mm | 5 | |
| 28 Aug. | Patchy rain possible | 29° /21° | 2.4 mm | 6 | |
| 29 Aug. | Moderate rain | 27° /21° | 10 mm | 6 | |
| 30 Aug. | Moderate rain | 27° /21° | 12 mm | 5 | |
| 31 Aug. | Moderate rain | 27° /20° | 23.3 mm | 6 | |
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Guide for South Korea in August
August in South Korea is characterized by hot and humid weather, as it falls in the midst of the summer season. At the beginning of August, temperatures in Seoul typically range from 24° to 30°, with high humidity levels making the air feel even warmer.
This period is also marked by the tail end of the monsoon season, known locally as "jangma," which can bring heavy rainfall and occasional thunderstorms. Cities like Busan and Incheon experience similar weather patterns, with temperatures hovering around 25° to 31°.
As August progresses, the monsoon rains begin to taper off, but the heat remains intense. By the end of August, the weather in places like Jeju Island can still be quite warm, with temperatures ranging from 23° to 29°.
The humidity levels remain high, although the frequency of rain showers decreases compared to the beginning of the month.
Travelers should be prepared for the possibility of typhoons, which can occasionally affect the Korean Peninsula during August. These storms can bring strong winds and heavy rain, potentially disrupting travel plans.
Despite the challenging weather conditions, August is a vibrant time in South Korea, with numerous cultural festivals and events taking place, offering a unique experience for those who choose to visit.