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Incheon Grand Bridge

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Incheon Grand Bridge Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Incheon Grand Bridge year round climate

  • Spring (March–May): Average 6.5–17°C, mild climate, but early spring can still be cold, rainfall gradually increases. Common activities: Hiking, flower viewing. Recommended clothing: Light jacket, long-sleeved shirt, extra layers for morning and evening.
  • Summer (June–August): Average 21.8–26.8°C, hot and humid, high rainfall, especially in July. Common activities: Beach activities, water sports. Recommended clothing: Light and breathable clothing, sun hat.
  • Autumn (September–November): Average 9.1–23.6°C, comfortable and pleasant climate, decreased rainfall, gradually decreasing temperature. Common activities: Hiking, maple leaf viewing. Recommended clothing: Comfortable long-sleeved shirt, light jacket.
  • Winter (December–February): Average -1.5–1°C, cold and dry, low rainfall. Common activities: Indoor activities, hot springs. Recommended clothing: Warm jacket, scarf, hat.

Incheon Grand Bridge climatological average

Annual average temperature: approx. 13.2°C / Annual rainfall: approx. 1256 mm / Summer humidity: 70%–80% / Rainiest month: July

Incheon Grand Bridge monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
-1.5°C
21.2
February
1°C
16.4
March
6.5°C
45.1
April
12.7°C
49.9
May
17°C
75.4
June
21.8°C
172.9
July
25.9°C
282.3
August
26.8°C
251.6
September
23.6°C
184.3
October
15.9°C
76.2
November
9.1°C
52.7
December
0°C
28.5

Incheon Grand Bridge weather for the next seven days

12/4
Thursday
Moderate snow
5.6°C/-5.2°C
12/5
Friday
Sunny
2.3°C/-0.9°C
12/6
Saturday
Patchy rain nearby
9.4°C/1.6°C
12/7
Sunday
Sunny
11.8°C/8.1°C
12/8
Monday
Patchy rain nearby
8.6°C/-0.5°C
12/9
Tuesday
Sunny
1.6°C/-2°C
12/10
Wednesday
Patchy rain nearby
6°C/0.7°C

Incheon Grand Bridge Frequently Asked Questions and Useful Information for Travel

Is the Incheon Grand Bridge the longest bridge in the world?

The Incheon Grand Bridge is the longest bridge in Korea and ranks as the fifth-longest cable-stayed bridge globally.

Why was the Incheon Bridge built?

The Incheon Bridge was constructed as a vital infrastructure project for the Northeast Asian economy, serving as the first private investment initiative backed by foreign companies and private investors. It stretches 21.38km, featuring an 800m span for its cable-stayed girder sections.

Where can I view the Incheon Bridge?

For excellent views of the Incheon Bridge and the surrounding sea, visit the observation deck on the 4th floor of the Incheondaegyo Bridge Memorial Hall. From this vantage point, you can also take in views of other key Incheon landmarks against the horizon.

What are the dimensions of the Incheon Grand Bridge?

The Incheon Grand Bridge boasts a total length of 21.38 kilometers, making it the longest bridge in South Korea. The main cable-stayed span measures 800 meters.

What makes the Incheon Grand Bridge significant?

The Incheon Grand Bridge is a symbol of modern engineering and a critical link in South Korea's infrastructure. It was built to enhance connectivity for the Northeast Asian economy and is notable for being the country's longest bridge and a major cable-stayed structure.