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Sejong

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Travel Info
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Travel Info

Top 10 Must-Do Experiences and Attractions in Sejong

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Sejong Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Sejong year round climate

  • Spring (March–May): 44–64°F on average, mild climate with gradually increasing rainfall. March and April tend to be drier. Common activities: Picnics, outings, flower viewing. Recommended clothing: Light jacket, long-sleeved shirt, comfortable shoes.
  • Summer (June–August): 71–80°F on average, hot and humid with abundant rainfall, especially in July. Common activities: Indoor activities, visiting summer resorts. Recommended clothing: Light and breathable clothing, sun hat, rain gear.
  • Autumn (September–November): 44–73°F on average, comfortable and pleasant with decreasing rainfall and dry weather. Common activities: Maple leaf viewing, hiking. Recommended clothing: Light jacket or cardigan, comfortable trousers.
  • Winter (December–February): -33–33°F on average, cold and dry with occasional snowfall. Common activities: Skiing (requires travel to surrounding areas), indoor leisure activities. Recommended clothing: Warm jacket, hat, scarf, gloves.

Sejong climatological average

Annual average temperature: approx. 55.4°F / Annual rainfall: approx. 1252 mm / Summer humidity: 70%–80% / Rainiest month: July

Sejong monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
28.6°F
21.5
February
33.6°F
24
March
44.6°F
53.5
April
56.3°F
60.3
May
64.4°F
87.3
June
73°F
131.9
July
78.4°F
331.8
August
80.1°F
230.1
September
73°F
161.4
October
57.4°F
67.4
November
46°F
51.3
December
31.6°F
31.8

Sejong weather for the next seven days

2/28
Saturday
Sunny
58.4°F/34.6°F
3/1
Sunday
Patchy rain nearby
55.8°F/38°F
3/2
Monday
Moderate rain
40.9°F/38.7°F
3/3
Tuesday
Sunny
53.6°F/33.5°F
3/4
Wednesday
Sunny
54.2°F/34.1°F
3/5
Thursday
Sunny
52°F/31.9°F
3/6
Friday
Patchy rain nearby
43.9°F/32.2°F

Sejong Frequently Asked Questions and Useful Information for Travel

What is the best time to visit?

The best time to visit is mainly from the end of October to the beginning of November, when maple leaves and ginkgo trees are in beautiful bloom.

Which attractions are must-sees?

Must-see attractions include Gyeongbokgung Palace, Changdeokgung Palace Secret Garden, Sungkyunkwan Myeongryundang Hall, etc. These places have rich history and culture and beautiful autumn scenery.