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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 45–64°F, 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 73–81°F, 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 60–75°F, 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 33–50°F, 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. 57.7°F / Annual rainfall: approx. 1855 mm / Summer humidity: 70%–80% / Rainiest month: July

Gunsan City monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
33.3°F
40.5
February
36.5°F
47.4
March
45.3°F
63.3
April
56.1°F
78.7
May
64°F
193.1
June
73.2°F
168
July
80.2°F
533.5
August
81.9°F
313.9
September
75.2°F
160.8
October
60.8°F
65.7
November
50.4°F
82.7
December
36°F
108.2

Gunsan City weather for the next seven days

3/31
Tuesday
Patchy rain nearby
59.3°F/48.6°F
4/1
Wednesday
Overcast
53.6°F/47.3°F
4/2
Thursday
Sunny
56.8°F/44.9°F
4/3
Friday
Moderate rain
60.7°F/48.1°F
4/4
Saturday
Moderate rain
53.7°F/45°F
4/5
Sunday
Sunny
56°F/43.3°F
4/6
Monday
Patchy rain nearby
47.4°F/42.8°F