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Ulsan

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Best time to visit Ulsan

Data source：Meteostat
Update date：2025-09

Weather in Ulsan throughout the year

  • Spring (March–May): Average 9.9–18.3°C, mild climate but with relatively high rainfall, occasional overcast and rainy days. Common activities: Spring outings, hiking. Recommended clothing: Light jacket, comfortable long pants or skirt.
  • Summer (June–August): Average 22.4–26.9°C, hot and humid, abundant rainfall. Common activities: Swimming at the beach, enjoying water activities. Recommended clothing: Light and breathable clothing, sun-protective clothing, sun hat.
  • Autumn (September–November): Average 16.7–23°C, pleasant and comfortable climate, but September has relatively high rainfall. Common activities: Maple viewing, outdoor excursions. Recommended clothing: Light jacket, long-sleeved shirt.
  • Winter (December–February): Average 2.9–4.6°C, cold and dry, occasional snowfall. Common activities: Indoor activities, hot spring bathing. Recommended clothing: Warm jacket, hat, gloves, scarf.

Weather in Ulsan

Annual average temperature: approx. 15°C / Annual rainfall: approx. 1871 mm / Summer humidity: 70%–80% / Rainiest month: September

Ulsan weather by month

Month
Air temperature (°C)
Precipitation (mm)
January
2.9°C
55
February
4.6°C
111.6
March
9.9°C
97.8
April
14.6°C
105.3
May
18.3°C
131.8
June
22.4°C
181.7
July
26.2°C
268.4
August
26.9°C
285.5
September
23°C
377.6
October
16.7°C
80.1
November
11.7°C
75.5
December
3.7°C
100.8

7-day weather forecast for Ulsan

10/26
Monday
Patchy rain nearby
20°C/12.3°C
10/27
Tuesday
Sunny
16.9°C/4.2°C
10/28
Wednesday
Sunny
15.2°C/0.7°C
10/29
Thursday
Overcast
15°C/4.1°C
10/30
Friday
Sunny
20.3°C/9.4°C
10/31
Saturday
Sunny
15.4°C/6.9°C
11/1
Sunday
Light drizzle
13.8°C/7.3°C

Ulsan travel FAQs and useful info

Is Ulsan, South Korea worth visiting in 2025?

Ulsan offers a unique blend of industrial marvels and natural beauty, making it a worthwhile destination for travelers seeking an authentic South Korean experience in 2025. It's known for its family-friendly amenities and impressive scale of its industrial sites.

What is Ulsan famous for?

Ulsan is globally renowned for its significant industrial contributions. It is home to the world's largest automobile assembly plant by Hyundai Motor Company, the world's largest shipyard by Hyundai Heavy Industries, and the world's third-largest oil refinery operated by SK Energy.

How can I travel to Ulsan from Seoul?

The quickest way to travel from Seoul to Ulsan is by flight. The flight distance is approximately 316 km, with direct flights taking around 57 minutes. This makes Ulsan an accessible destination for a short trip from the capital.

What are some must-see natural attractions in Ulsan?

Ulsan boasts stunning natural landscapes. Key attractions include the picturesque Taehwagang National Garden, famous for its bamboo forest and diverse flora, and the beautiful beaches along the coast, offering serene escapes and opportunities for outdoor activities.

What kind of cultural experiences can I find in Ulsan?

Beyond its industrial fame, Ulsan offers rich cultural experiences. Visitors can explore the Ulsan Grand Park, visit the Bangudae Petroglyphs, which offer insights into ancient Korean life, and experience traditional Korean performances and festivals, especially during the spring and autumn seasons.