The weather was very cold in early March, but thankfully we had a chartered car, which made it easy to complete the three itineraries. Nami Island is absolutely gorgeous in winter 🥰 and the strawberries are incredibly sweet.
Anonymous User
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Seoul Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Seoul year round climate
Spring (March–May): 8.2–19.0°C, 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 (June–August): 23.8–27.4°C, 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 (September–November): 15.7–23.9°C, 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 (December–February): -1.4–1.7°C, 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. 14°C / Annual rainfall: approx. 1563 mm / Summer humidity: 70%–80% / Rainiest month: July
Seoul monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
-1.4°C
24.3
February
1.7°C
27
March
8.2°C
48
April
15°C
50
May
19°C
96.3
June
23.8°C
235.3
July
26.9°C
423
August
27.4°C
312
September
23.9°C
160.3
October
15.7°C
76.3
November
8.8°C
75.7
December
-0.3°C
35.3
Seoul weather for the next seven days
4/10
Friday
Patchy rain nearby
11.9°C/8.2°C
4/11
Saturday
Sunny
17°C/7.5°C
4/12
Sunday
Sunny
21.8°C/9.5°C
4/13
Monday
Sunny
24.5°C/12.7°C
4/14
Tuesday
Partly Cloudy
23.6°C/14.6°C
4/15
Wednesday
Sunny
23.9°C/14.9°C
4/16
Thursday
Sunny
25.1°C/15.1°C
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