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Ulsan
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Ulsan Weather and climate
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
10/13
Monday
Patchy rain nearby
70.8°F/62.5°F
10/14
Tuesday
Heavy rain
65.5°F/61.9°F
10/15
Wednesday
Patchy rain nearby
71.4°F/62.7°F
10/16
Thursday
Heavy rain
69.5°F/63.5°F
10/17
Friday
Patchy rain nearby
71.2°F/63.3°F
10/18
Saturday
Moderate rain
73.3°F/62.3°F
10/19
Sunday
Patchy rain nearby
68°F/59.6°F
