Late summer · Weather & things to do
Seoul in August
Seoul's warmest month brings highs averaging 83°F (28°C), lows of 71°F (22°C) and about 10.2 in (260 mm) of rain.
With a comfort score of 48/100 (11th of 12), it's one of the toughest months, held back mainly by rain.
- Avg high
- 83°F (28°C)
- Avg low
- 71°F (22°C)
- Rain
- 10.2 in (260 mm)
- Humidity
- 83%
- Cloud cover
- 65%
- Daylight
- ~13 h 27 min
- Comfort score
- 48/100 · Fair
What August feels like
Days are warm, averaging 83°F (28°C).
Lows average 71°F (22°C).
With 83% average humidity, it feels muggy.
It's a very wet month, with around 10.2 in (260 mm) of rain, so keep plans flexible and have indoor backups ready.
Plan around August
August is one of the lower-scoring months here; the best are May and October.
- Inside the wettest three-month stretch, July – September.
- Comfort holds steady from July (47 → 48/100).
- Our Seoul, Gyeongju & Busan route recommends Apr – Jun, Sep – Nov, so August falls outside its suggested window.
What to pack for August
- Light, breathable clotheshighs average 83°F
- Quick-dry fabrics83% average humidity
- Rain jacket and waterproof shoesfrequent rain
- Comfortable walking shoesmost picks involve some walking
What to do in Seoul in August
Wet days call for a roof: these picks favor sit-down and indoor stops, plus a few for drier spells.
Bukchon Hanok Village
Hillside lanes of traditional tiled-roof homes between two palaces.
Myeongdong Kyoja
Long-running spot for kalguksu knife-cut noodles and dumplings since 1966.
Why now A sit-down stop to wait out showers in a month with 10.2 in of rain.
Gyeongbokgung Palace
The largest of Seoul's Joseon palaces, with a guard-changing ceremony at the main gate.
Gwangjang Market
Century-old market with stalls frying mung bean pancakes and serving yukhoe and mayak gimbap.
Why now Easy to slot in when August's rain moves in.
Euljiro Nogari Alley
Plastic tables, cheap beer and dried pollack snacks spill into the street each evening.
Nearby in August
- Gyeongju in August~172 mi · highs 83°F, 7.6 in rain · similar daytime temperatures, drier
- Busan in August~202 mi · highs 80°F, 8.8 in rain · 2°C (3°F) cooler by day, drier
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Seoul in August: quick answers
Is August a good time to visit Seoul?
It's one of the tougher months here, scoring 48/100, held back mainly by rain. The best months are May and October. Expect highs of 83°F (28°C) and 10.2 in (260 mm) of rain. Our Seoul, Gyeongju & Busan route recommends Apr – Jun, Sep – Nov, so August is outside its suggested window.
How hot is Seoul in August?
Average highs are 83°F (28°C) and average lows 71°F (22°C), making it the warmest month by daytime highs.
Does it rain a lot in Seoul in August?
Yes: about 10.2 in (260 mm) of rain falls across August on average, the 2nd-wettest month of the year. The annual total is about 48.9 in (1241 mm).
What should I pack for Seoul in August?
Bring light, breathable clothes (highs average 83°F), quick-dry fabrics (83% average humidity), rain jacket and waterproof shoes (frequent rain) and comfortable walking shoes (most picks involve some walking).
Planning Seoul in August?
Bring the crew into one shared trip: vote on dates, build the day-by-day plan, split costs and share one packing list.