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Siheung

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Siheung Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Siheung year round climate

  • Spring (March–May): Average 7–18°C, mild climate with gradually increasing rainfall. March can still be chilly, April becomes warm and comfortable, while May is warmer and more humid. Common activities: Hiking, flower viewing, outings. Recommended clothing: Light jacket, long-sleeved shirt, comfortable sneakers.
  • Summer (June–August): Average 23–28°C, hot and humid with abundant rainfall, especially in July. Common activities: Swimming, water activities, escaping the heat. Recommended clothing: Light and breathable clothing, sun hat, sunscreen.
  • Autumn (September–November): Average 8–16°C, pleasant climate, cool and comfortable, with gradually decreasing rainfall. Common activities: Mountain climbing, maple leaf viewing, outdoor activities. Recommended clothing: Light jacket, long-sleeved shirt, comfortable shoes.
  • Winter (December–February): Average -0.4–7°C, cold and dry, with occasional snowfall. Common activities: Indoor activities, hot spring trips. Recommended clothing: Heavy coat, hat, scarf, gloves.

Siheung climatological average

Annual average temperature: approx. 13.5°C / Annual rainfall: approx. 1376 mm / Summer humidity: 70%–80% / Rainiest month: July

Siheung monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
-2.1°C
16.7
February
1°C
19.8
March
7°C
37.1
April
13.2°C
56.4
May
17.7°C
91.8
June
22.7°C
193.7
July
26.5°C
320.6
August
27.6°C
274.1
September
24.1°C
182.5
October
15.6°C
93.2
November
8.8°C
61.3
December
-0.4°C
29.6

Siheung weather for the next seven days

3/16
Monday
Partly Cloudy
9.8°C/3°C
3/17
Tuesday
Sunny
10.6°C/4.2°C
3/18
Wednesday
Overcast
10.6°C/6.5°C
3/19
Thursday
Partly Cloudy
10.6°C/5.5°C
3/20
Friday
Sunny
12.6°C/5.7°C
3/21
Saturday
Sunny
13.2°C/5.8°C
3/22
Sunday
Overcast
11°C/7.9°C

Siheung Frequently Asked Questions and Useful Information for Travel

How far is Siheung from Seoul?

The distance between Seoul and Siheung is approximately 35 km by road, which is about 31.3 km. The most convenient way to travel from Seoul to Siheung without a car is by taking the subway, which typically takes around 1 hour and 6 minutes and costs between ₩2,900 and ₩4,200.

What is Siheung known for?

Siheung is known for its notable landmarks including Oido Island, Soraesan Mountain, the Lotus Theme Park, and the port and inlet of Wolgot. It also features two newly developed areas, Sihwa and Wolgot, which were established in the 1990s.

Are there any famous people from Siheung?

Yes, the actress Gyeong Su Jin was born in Siheung, South Korea on December 5, 1987. She is recognized for her roles in productions such as Secret Love Affair (2014), Don't Look Back: The Legend of Orpheus (2013), and Mouse (2021).

Which country is Siheung located in?

Siheung is located in the Republic of Korea. It is recognized as both a garden and industrial port city, with aspirations to become a high-tech culture, leisure, and tourist destination.

What are some natural attractions in Siheung?

Siheung offers several natural attractions, including the scenic Soraesan Mountain, which is ideal for hiking and enjoying nature. Oido Island is another significant natural and leisure spot, offering beautiful coastal views and recreational activities.