We had a wonderful day trip to Yangsan, Ulsan and surrounding. Special thanks to driver Jun. Comfortable car, he has very good command of English. Easy and prompt communication pre and during the trip. He really took good care of us. Thank you so much we had a great day.
Anonymous User
Family
Ulsan Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Ulsan year round climate
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.
Ulsan climatological average
Annual average temperature: approx. 15°C / Annual rainfall: approx. 1871 mm / Summer humidity: 70%–80% / Rainiest month: September
Ulsan monthly average temperature and precipitation
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
Ulsan weather for the next seven days
8/6
Thursday
Sunny
31.4°C/22.9°C
8/7
Friday
Sunny
32.4°C/22.3°C
8/8
Saturday
Patchy rain nearby
31.2°C/24.1°C
8/9
Sunday
Patchy rain nearby
29.5°C/25°C
8/10
Monday
Light rain shower
26.7°C/24.5°C
8/11
Tuesday
Light rain shower
26.2°C/24.6°C
8/12
Wednesday
Patchy rain nearby
28.9°C/23.9°C
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