2026 Climate Averages

Weather: Seoul — August

It's a rainy period, but great for indoor activities, museums, and lower prices.

Climate Overview

August is a wet time to visit Seoul. Hot conditions with temperatures reaching 30°C—stay hydrated and seek shade. This is one of the wettest months—waterproof gear is essential. Being off-peak, you'll find better deals and fewer crowds.

6.7
GoTripzi Score Good

Based on weather comfort, crowds, prices, and activity options

Avg High

30°C

Avg Low

24°C

Rainy days

16days

Daylight

13.6h

Feels like 36°C / 28°C — humidity makes it feel warmer

Rainfall

315mm

Sunshine

8.1h/day

Humidity

84%

Very Muggy
Sun Strength

5.9

High
Wind

13 km/h (gusts 32)

Is August a good time to visit Seoul?

It's a rainy period, but great for indoor activities, museums, and lower prices.

Now

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Feels like --
Wind --
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UV Index --
Local time

Air Quality

Travel Context

  • Crowds
    Quiet
  • Travel Costs Value Rates

Daylight

Sunrise

05:48

Sunset

19:27

13.6h daylight

Visiting Seoul in August: Pros & Cons

Pros

  • Fewer crowds and better hotel deals

Cons

  • Frequent rain may disrupt outdoor activities
  • High humidity makes the heat feel oppressive

Things to Do in August

Events & Festivals

🎭
Seoul Fringe Festival
August Cultural

Recommended for This Weather

🏛️ Museums & galleries
🍳 Cooking classes & food tours
🎭 Cultural tours & local experiences

Seoul Weather by Month

Month Avg High Avg Low Rain Sunshine Humidity UV Index Crowds Condition
Jan 4°C -6°C 4d (29mm) 7.4h
65% Humid
3.8 Moderate
Good
Feb 6°C -4°C 4d (23mm) 8.1h
65% Humid
5 Moderate
Good
Mar 14°C 2°C 6d (47mm) 9h
63% Moderate
6.7 High
Good
Apr 19°C 8°C 6d (61mm) 9.5h
62% Moderate
7.8 Very High
Excellent
May 23°C 13°C 9d (108mm) 9.7h
70% Humid
8.1 Very High
Excellent
Jun 28°C 19°C 10d (144mm) 9.7h
75% Humid
8.2 Very High
Good
Jul 30°C 24°C 17d (268mm) 8.2h
82% Very Muggy
6.6 High
Wet
Aug Current 30°C 24°C 16d (315mm) 8.1h
84% Very Muggy
5.9 High
Wet
Sep 27°C 19°C 10d (189mm) 8.1h
80% Very Humid
5.8 High
Excellent
Oct 20°C 11°C 7d (70mm) 7.7h
76% Humid
4.8 Moderate
Excellent
Nov 14°C 3°C 5d (48mm) 7.8h
71% Humid
3.9 Moderate
Good
Dec 4°C -5°C 5d (26mm) 7.4h
65% Humid
3.4 Moderate
Good

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5
3
3
Your Best MonthJulScore: 8.5

Where to Stay

See hotels, apartments & rentals around Seoul – live prices from Booking.com, Expedia, Vrbo and more

Seoul

K-pop capital, including palaces, Gyeongbokgung Palace and Myeongdong shopping & street food, street food markets, and ultra-modern districts.

View Full Destination Guide

What to Pack for August

Light, breathable fabrics like cotton and linen are essential. Opt for loose-fitting clothing in light colors to stay cool. A waterproof jacket and shoes are non-negotiable — showers are frequent.

Moderate Quiet

🎒Personalized Packing List

Tell us about your trip and we'll create a custom packing list based on the weather.

Your Packing List

📋Essentials
👕Clothing
👟Footwear
🎒Accessories
🧴Toiletries & Health

Planning a trip to Seoul?

💰 Off-peak — great deals available now

Frequently Asked Questions

Is August a good time to visit Seoul?
August is typically wet for visiting Seoul, with average highs of 30°C and around 16 rainy days. Plan your activities accordingly—outdoor sightseeing is best on dry days, while rainy days are perfect for museums and indoor attractions.
Does it get cold at night in Seoul in August?
Nights stay pleasantly warm in Seoul during August, around 24°C. Light evening wear is sufficient, and outdoor dining is very comfortable. Many locals and visitors enjoy late-night walks and outdoor activities after sunset.
What should I pack for Seoul in August?
With highs of 30°C and lows of 24°C in August, we recommend: Compact umbrella, Waterproof jacket/shell, Water-resistant shoes, Lightweight breathable clothes. Layering is key as temperatures can vary between air-conditioned interiors and outdoors. Comfortable walking shoes are essential for cobblestone streets.
Does it rain a lot in Seoul in August?
Seoul typically sees around 16 rainy days in August. Rain is usually in the form of brief showers rather than all-day downpours, so a compact umbrella is sufficient. Mornings tend to be drier, making them ideal for outdoor sightseeing.
How many hours of daylight are there in Seoul in August?
In August, Seoul gets approximately 13.6 hours of daylight per day. This affects how much sightseeing you can fit in—longer days mean more time for outdoor activities, while shorter days are perfect for cozy museum visits and early dinners.
Is August peak season in Seoul?
No, August is not peak season in Seoul. Expect better value on accommodation, shorter queues at attractions, and fewer tourists at popular spots. This is an excellent time to experience the city like a local and enjoy a more authentic atmosphere.

Weather Data: Based on 2020–2025 historical climate data from Open-Meteo

Solar calculations: SunCalc (timezone: Asia/Seoul)

Last Updated: February 2026