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
2/12
Thursday
Sunny
6°C/0.6°C
2/13
Friday
Sunny
8.7°C/1.7°C
2/14
Saturday
Sunny
10.7°C/3.7°C
2/15
Sunday
Patchy rain nearby
8.3°C/1.8°C
2/16
Monday
Partly Cloudy
6.1°C/-0.1°C
2/17
Tuesday
Sunny
5.3°C/0.8°C
2/18
Wednesday
Sunny
5.7°C/1.6°C
KKday App
Your Best Travel Buddy
Use the code APP5OFF to enjoy an exclusive in-app deal of 5% off (cap at USD$3) on your 1st orderScan here to download the app