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Gunsan City

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Gunsan City Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Gunsan City year round climate

  • Spring (March–May): Average 7.4–17.8°C, mild climate, but rainfall gradually increases, especially in May. Common activities: Hiking, flower viewing. Recommended clothing: Light jacket, long-sleeved shirt.
  • Summer (June–August): Average 22.9–27.7°C, hot and humid, abundant rainfall, especially in July. Common activities: Beach activities, summer resorts. Recommended clothing: Light and breathable clothing, sun hat.
  • Autumn (September–November): Average 16.0–24.0°C, comfortable and pleasant climate, reduced rainfall. Common activities: Maple leaf viewing, outdoor activities. Recommended clothing: Comfortable long-sleeved shirt, light jacket.
  • Winter (December–February): Average 0.7–10.2°C, cold and dry, occasional snowfall. Common activities: Indoor activities, onsen experience. Recommended clothing: Thick coat, warm clothing.

Gunsan City climatological average

Annual average temperature: approx. 14.3°C / Annual rainfall: approx. 1855 mm / Summer humidity: 70%–80% / Rainiest month: July

Gunsan City monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
0.7°C
40.5
February
2.5°C
47.4
March
7.4°C
63.3
April
13.4°C
78.7
May
17.8°C
193.1
June
22.9°C
168
July
26.8°C
533.5
August
27.7°C
313.9
September
24°C
160.8
October
16°C
65.7
November
10.2°C
82.7
December
2.2°C
108.2

Gunsan City weather for the next seven days

11/29
Saturday
Sunny
13.9°C/3°C
11/30
Sunday
Patchy rain nearby
15.9°C/9.9°C
12/1
Monday
Sunny
9°C/4.9°C
12/2
Tuesday
Patchy rain nearby
3.3°C/-0.5°C
12/3
Wednesday
Blizzard
1°C/-1.4°C
12/4
Thursday
Patchy rain nearby
6°C/-3.4°C
12/5
Friday
Patchy rain nearby
8.4°C/4.9°C