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Seoul Weather, Climate and Best Time to Visit

Data source๏ผšMeteostat
Update date๏ผš2025-09

Seoul year round climate

  • Spring (Marchโ€“May): 8.2โ€“19.0ยฐC, the climate transitions from cold to warm. Light rain may occur in March and April, while May offers pleasant weather. Common activities: Picnics, flower viewing, outdoor excursions. Suggested clothing: Light jacket, long-sleeved shirts, comfortable casual shoes.
  • Summer (Juneโ€“August): 23.8โ€“27.4ยฐC, hot and humid with abundant rainfall, particularly in July. Common activities: Visiting museums, art galleries, enjoying indoor activities, escaping the heat at summer resorts. Suggested clothing: Light and breathable clothing, sun hat, sunscreen.
  • Autumn (Septemberโ€“November): 15.7โ€“23.9ยฐC, pleasant and comfortable with abundant sunshine and reduced rainfall. Common activities: Maple leaf viewing, hiking, outdoor excursions. Suggested clothing: Comfortable long-sleeved shirts, light jacket, casual shoes.
  • Winter (Decemberโ€“February): -1.4โ€“1.7ยฐC, cold and dry with occasional snowfall. Common activities: Indoor activities, skiing (in the suburbs). Suggested clothing: Heavy coat, scarf, gloves, hat, warm underwear.

Seoul climatological average

Annual average temperature: approx. 14ยฐC / Annual rainfall: approx. 1563 mm / Summer humidity: 70%โ€“80% / Rainiest month: July

Seoul monthly average temperature and precipitation

Month
Air temperature (ยฐC)
Precipitation (mm)
January
-1.4ยฐC
24.3
February
1.7ยฐC
27
March
8.2ยฐC
48
April
15ยฐC
50
May
19ยฐC
96.3
June
23.8ยฐC
235.3
July
26.9ยฐC
423
August
27.4ยฐC
312
September
23.9ยฐC
160.3
October
15.7ยฐC
76.3
November
8.8ยฐC
75.7
December
-0.3ยฐC
35.3

Seoul weather for the next seven days

6/29
Monday
Sunny
32.2ยฐC/22.1ยฐC
6/30
Tuesday
Sunny
32.6ยฐC/22.7ยฐC
7/1
Wednesday
Sunny
29.5ยฐC/22.5ยฐC
7/2
Thursday
Partly Cloudy
29.2ยฐC/22.5ยฐC
7/3
Friday
Partly Cloudy
28.9ยฐC/22.5ยฐC
7/4
Saturday
Patchy rain nearby
25.7ยฐC/20.6ยฐC
7/5
Sunday
Patchy rain nearby
28.2ยฐC/20.4ยฐC