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Seoungsu

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Seoungsu Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Seoungsu year round climate

  • Spring (March–May): 5.7–17°C on average, the climate gradually transitions from cold to warm. March remains chilly, while May already hints at summer. Rainfall gradually increases. Common activities: enjoying the scenery, flower viewing. Recommended attire: spring jacket, comfortable trousers or long skirt.
  • Summer (June–August): 21.9–26.3°C on average, hot and humid with abundant rainfall, especially in July. Common activities: indoor activities, visits to summer resorts. Recommended attire: light and breathable clothing, short sleeves, shorts.
  • Autumn (September–November): 14.3–22.6°C on average, the climate is comfortable and pleasant, transitioning from warm to cool, with decreasing rainfall. Common activities: maple leaf viewing, outdoor excursions. Recommended attire: light jacket, long-sleeved shirts, comfortable trousers.
  • Winter (December–February): -3.0–-0.3°C on average, cold and dry with little rainfall. Common activities: indoor activities, skiing (requires travel to other areas). Recommended attire: heavy coat, warm clothing, scarf, gloves, hat.

Seoungsu climatological average

Annual average temperature: approx. 12.4°C / Annual rainfall: approx. 1335 mm / Summer humidity: 70%–80% / Rainiest month: July

Seoungsu monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
-3°C
15.7
February
-0.3°C
18.2
March
5.7°C
40.2
April
12.5°C
51.8
May
17°C
94.8
June
21.9°C
182.6
July
25.3°C
303.8
August
26.3°C
247
September
22.6°C
176.6
October
14.3°C
102.5
November
7.6°C
71.1
December
-1.3°C
31

Seoungsu weather for the next seven days

4/15
Wednesday
Sunny
25.7°C/16.1°C
4/16
Thursday
Partly Cloudy
25.2°C/13.7°C
4/17
Friday
Patchy rain nearby
20.5°C/14.8°C
4/18
Saturday
Sunny
24.8°C/12.8°C
4/19
Sunday
Sunny
25.4°C/15.6°C
4/20
Monday
Patchy rain nearby
16.5°C/12.7°C
4/21
Tuesday
Sunny
19°C/9.6°C