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Daejeon

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Daejeon Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Daejeon year round climate

  • Spring (March–May): 8.6–19.0°C on average, mild climate with gradually increasing rainfall. Common activities: enjoying spring scenery, flower viewing. Recommended clothing: light jacket, long-sleeved shirt, and umbrella.
  • Summer (June–August): 23.9–27.1°C on average, hot and humid with heavy rainfall, especially in July. Common activities: escaping the heat, water activities. Recommended clothing: light and breathable clothing, sun hat, and umbrella.
  • Autumn (September–November): 15.2–23.5°C on average, comfortable and pleasant climate with decreasing rainfall. Common activities: maple viewing, outdoor excursions. Recommended clothing: comfortable long-sleeved shirts and light jackets.
  • Winter (December–February): -0.5–2.3°C on average, cold and dry with little snowfall. Common activities: indoor activities, skiing (requires travel to other areas). Recommended clothing: thick coat, hat, gloves, and scarf.

Daejeon climatological average

Annual average temperature: approx. 14.2°C / Annual rainfall: approx. 1535 mm / Summer humidity: 70%–80% / Rainiest month: July

Daejeon monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
-0.5°C
25.7
February
2.3°C
33.3
March
8.6°C
52
April
14.9°C
52.7
May
19°C
109.3
June
23.9°C
114.3
July
26.5°C
485.3
August
27.1°C
303.3
September
23.5°C
201.7
October
15.2°C
70
November
8.9°C
40.3
December
0.7°C
47.7

Daejeon weather for the next seven days

9/25
Friday
Overcast
21.1°C/17.5°C
9/26
Saturday
Moderate rain
17.5°C/16°C
9/27
Sunday
Overcast
25.7°C/16°C
9/28
Monday
Overcast
25.3°C/16.3°C
9/29
Tuesday
Overcast
22.9°C/16.5°C
9/30
Wednesday
Overcast
23.5°C/15.9°C
10/1
Thursday
Overcast
19.3°C/13.5°C

Daejeon Frequently Asked Questions and Useful Information for Travel

What is Daejeon famous for?

Daejeon is renowned as South Korea's 'Silicon Valley' due to its significant concentration of universities and research institutions. It seamlessly blends urban innovation with natural beauty, offering attractions like Gyeryongsan National Park for hiking and the relaxing Yuseong Hot Springs. The city also features the National Science Museum, showcasing Korea's technological achievements, and the unique Daejeon Skyroad, contributing to its vibrant cultural and culinary scene.

How long does it take from Seoul to Daejeon?

The journey from Seoul to Daejeon is approximately 1 hour by high-speed train. Alternatively, you can take a direct bus which takes around 2 hours, or opt to rent a car for the roughly 160-kilometer distance.

Are tourists allowed to travel to South Korea?

Yes, tourists are generally allowed to travel to South Korea. For tourism or business, you can stay visa-free for up to 90 days. Travelers must possess a valid passport for entry. Please check the latest K-ETA requirements before your travel.

Is it safe to travel to Daejeon?

Yes, Daejeon is considered a very safe city to travel in, with low crime rates. Standard precautions are recommended, such as being aware of your surroundings and securing your belongings, particularly in crowded areas. Daejeon offers a peaceful travel experience with its blend of innovation and natural tranquility.

What are some natural attractions in Daejeon?

Daejeon offers several beautiful natural attractions for visitors. Gyeryongsan National Park is a popular spot for hiking and enjoying scenic mountain trails. The Yuseong district is famous for its rejuvenating hot springs, perfect for relaxation. Additionally, Daecheong Lake provides picturesque views and opportunities for outdoor activities.