Weather in Seoul in August
As an Amazon Associate we earn from qualifying purchases. We also earn commission from other retail partners. Links below are affiliate links.
Book now, pay at pickup — compare Hertz, Avis, Budget, Sixt and 800+ rental companies for August in Seoul.
Compare car hire prices → Affiliate link — we earn a commission at no extra cost to youIn August, Seoul sees average highs of 28.4°C (83.1°F) and lows of 22.1°C. Conditions are hot and extremely wet, with heavy downpours most days, with roughly 7.9 hours of sunshine a day. Weather-wise, this is one of the most reliable months to travel. For the complete picture, see the best time to visit Seoul — every month compared. Once you know when to go, find your Seoul packing list at 247PackingList.
Get ready for Seoul in August
Search flights to Seoul
Compare 100+ airlines for August — one search, best price.
Search Flights →Thermal travel layers
Pack proper layers — winters are genuinely cold and evenings drop fast year-round.
Check Price →What to pack for Seoul in August
- Light layers
- Sunscreen
- T-shirts and light trousers or shorts
- Compact travel umbrella
- Waterproof jacket
- Quick-dry clothing
Compare all months in Seoul
| Month | High | Rain | Rating |
|---|---|---|---|
| January | 2.4°C | 30.6mm | 8/10 |
| February | 5.3°C | 19.5mm | 10/10 |
| March | 12.4°C | 52.9mm | 10/10 |
| April | 17.3°C | 62.1mm | 10/10 |
| May | 22.2°C | 128.7mm | 9/10 |
| June | 26.3°C | 193.2mm | 9/10 |
| July | 28.7°C | 274.8mm | 8/10 |
| August | 28.4°C | 401.9mm | 8/10 |
| September | 25.0°C | 195.8mm | 9/10 |
| October | 18.2°C | 74.9mm | 10/10 |
| November | 11.5°C | 72.3mm | 10/10 |
| December | 2.7°C | 26.6mm | 8/10 |
Full month-by-month guide: best time to visit Seoul →
For facts about South Korea — currency, language and dialling code — see our South Korea country guide at 247CountryInfo. Travellers also find it useful to keep a Seoul travel guide to hand. Check clothing sizes in South Korea before you shop.
Frequently Asked Questions
Is August a good time to visit Seoul?
August rates 8/10 for visiting Seoul — good time to visit. Expect average highs of 28.4°C, 401.9mm of rain across the month and about 7.9 hours of daily sunshine.
What is the temperature in Seoul in August?
In August, Seoul has average highs of 28.4°C (83.1°F) and average lows of 22.1°C (71.8°F).
Does it rain in Seoul in August?
Yes — August is one of the wetter months in Seoul, averaging 401.9mm of rain over roughly 20 rainy days. Pack for heavy showers.
What should I wear in Seoul in August?
For Seoul in August (28.4°C highs / 22.1°C lows), pack light layers plus sunscreen, t-shirts and light trousers or shorts, compact travel umbrella.
More essentials for Seoul in August
Packing cubes
Keep the bag organised whatever the weather — compression cubes for every size.
Check Price →Travel first aid kit
Compact TSA-friendly kit for peace of mind wherever you travel.
Check Price →Last updated:
Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.