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
2/12
Thursday
Sunny
42.8°F/33.1°F
2/13
Friday
Sunny
47.6°F/35.1°F
2/14
Saturday
Sunny
51.2°F/38.7°F
2/15
Sunday
Patchy rain nearby
47°F/35.3°F
2/16
Monday
Partly Cloudy
43.1°F/31.8°F
2/17
Tuesday
Sunny
41.5°F/33.5°F
2/18
Wednesday
Sunny
42.2°F/34.9°F
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