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 49–64°F, 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 72–80°F, 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 62–73°F, 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 37–40°F, 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. 59.0°F / Annual rainfall: approx. 1871 mm / Summer humidity: 70%–80% / Rainiest month: September
Ulsan monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
37.2°F
55
February
40.3°F
111.6
March
49.8°F
97.8
April
58.3°F
105.3
May
64.9°F
131.8
June
72.3°F
181.7
July
79.2°F
268.4
August
80.4°F
285.5
September
73.4°F
377.6
October
62.1°F
80.1
November
53.1°F
75.5
December
38.7°F
100.8
Ulsan weather for the next seven days
8/6
Thursday
Sunny
89°F/72.8°F
8/7
Friday
Sunny
90.7°F/71.7°F
8/8
Saturday
Patchy rain nearby
89.1°F/75.4°F
8/9
Sunday
Light rain shower
80.7°F/76.3°F
8/10
Monday
Light rain shower
78.8°F/75.9°F
8/11
Tuesday
Light rain shower
80.9°F/75.7°F
8/12
Wednesday
Patchy rain nearby
83.1°F/76.6°F
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