Ulsan Weather Today

Temperature, Feels Like, Rain Chance & Hourly Forecast in Ulsan

Ulsan temperature today is 15°, feels like 14°, with a humidity level of 62% and wind at 8.68 km/h. Rain chance today is 0%. Use the hourly forecast and 5-day outlook below to plan your day.

Tomorrow in Ulsan: expect a high of 21° and a low of 13°, with overcast clouds.

scattered clouds
15°
scattered clouds
H: 15° L: 15°
Feels like 14°
AQI: Poor (4/5)
Humidity
62%
Dew 8°
Wind speed
8.68 km/h
NNW · G15.7
Pressure
1020 hPa
Visibility
10 km
Weather Summary
Currently in Ulsan, expect varied conditions with mild temperatures around 15°. Winds are a light breeze.
Precipitation Probability
0%
09
0%
12
0%
15
0%
18
0%
21
0%
00
0%
03
0%
06
0%
09
0%
12
0%
15
0%
18
0%
21
0%
00
0%
03
20%
06
Evolution
Daily Weather Forecast Evolution (°C)
Lowest temperature
Highest temperature
Temperature Forecast (48h)
17°
Fri
09:00
22°
 
23°
 
17°
 
15°
Fri
21:00
14°
 
13°
 
14°
 
17°
Sat
09:00
21°
 
21°
 
18°
 
18°
Sat
21:00
18°
 
17°
 
17°
 
Hot (≥30°)
Warm
Cool
Cold (<0°)
Weather Map
Sun & Moon
Sunrise
Sunrise
06:17
Sunset
Sunset
18:06
Moon Phase
Waning Gibbous (63%)
Timezone: GMT+05:30
Last updated: Oct 2, 2026 4:24 AM · Data refreshes every 5 min
Location Info
Latitude
Latitude
35.537220
Longitude
Longitude
129.316666
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More about Ulsan
Content curated by the NearWeather editorial team · Updated periodically

Climate and Weather in Ulsan, South Korea

Ulsan, located on the southeast coast of South Korea, experiences a temperate climate with distinct seasons throughout the year. The city's weather is influenced by its coastal location and the surrounding mountains.

Seasonal Temperatures

Ulsan has warm summers and cool winters. The average temperature in the summer months, from June to August, ranges between 24°C (75°F) and 29°C (84°F), with occasional heatwaves pushing temperatures above 30°C (86°F). The winters, from December to February, are cooler, with average temperatures ranging between -2°C (28°F) and 7°C (45°F). However, temperatures can occasionally drop below freezing, especially during cold snaps.

Precipitation

Ulsan experiences a moderate amount of rainfall throughout the year. The wettest months are July and August, with an average precipitation of around 300mm (12 inches). The city also receives a fair amount of rainfall in June and September. The drier months are December to February, with precipitation dropping to around 30mm (1 inch) per month. Ulsan is known for its occasional heavy rainfalls, which can result in localized flooding.

Humidity and Winds

Due to its coastal location, Ulsan has relatively high humidity levels throughout the year. The average humidity ranges between 60% and 80%. The city is also influenced by the seasonal monsoon winds. The summer monsoon, known as the Changma, brings moist air from the south, resulting in increased humidity and rainfall. In winter, the prevailing winds come from the north, bringing colder and drier air.

Sunshine Hours

Ulsan enjoys a good amount of sunshine throughout the year. The city receives an average of 2,200 to 2,400 hours of sunshine annually, which is relatively high compared to other parts of South Korea. The sunniest months are April to June when Ulsan experiences around 7 to 8 hours of sunshine per day, on average. In contrast, the winter months of December to February see fewer sunshine hours, averaging around 4 to 5 hours per day.

Typhoons

Ulsan is occasionally affected by typhoons, especially during the summer and early autumn months. Typhoon season in South Korea typically runs from July to early October. These powerful tropical cyclones can bring heavy rains, strong winds, and storm surges to the region. It is important for residents and visitors to stay updated on weather advisories and take necessary precautions during typhoon events.

Climate Data Overview

To provide a comprehensive overview of Ulsan's climate, the following table summarizes the average monthly temperatures, precipitation, and sunshine hours:
Month Average Temperature (°C) Precipitation (mm) Sunshine Hours
January 1 - 6 30 4
February 2 - 8 40 5
March 6 - 13 60 6
April 11 - 19 90 7
May 15 - 24 110 7
June 19 - 28 170 7
July 22 - 31 300 7
August 23 - 32 300 7
September 18 - 27 200 6
October 12 - 21 70 6
November 6 - 14 40 5
December 1 - 7 30 4
(Source: Ulsan Climate Data)

Best Time to Visit Ulsan

The best time to visit Ulsan depends on personal preferences. For those who prefer warmer temperatures and outdoor activities, the months of May to September are ideal. This period offers pleasant weather, with temperatures ranging from 15°C (59°F) to 32°C (90°F) and longer daylight hours. Alternatively, if you enjoy cooler temperatures and want to avoid the peak tourist season, visiting Ulsan in the spring (April to June) or autumn (September to November) can be a great choice. During these seasons, temperatures range from 11°C (52°F) to 27°C (81°F), providing comfortable weather for exploring the city and enjoying outdoor activities. In conclusion, Ulsan experiences a temperate climate with warm summers and cool winters. The city's coastal location influences its weather patterns, with moderate rainfall throughout the year and occasional typhoon events during the summer and early autumn months. Visitors to Ulsan can enjoy a good amount of sunshine and a range of temperatures depending on the season, making it an attractive destination year-round.
Weather data sourced from OpenWeatherMap. Forecasts are estimates and may differ from actual conditions. For severe weather, consult your local meteorological authority.
FAQ's about Ulsan
What is the temperature in Ulsan right now?

The current temperature in Ulsan is 15°, and it feels like 14°. Today's high is 15° and the low is 15°.

Will it rain in Ulsan today?

No rain is expected in Ulsan today (0% chance). Conditions are currently scattered clouds.

What is the weather in Ulsan today?

Ulsan is experiencing scattered clouds with a temperature of 15°. Humidity is at 62% and wind speed is 8.68 km/h from the NNW.

What is the humidity in Ulsan today?

Humidity in Ulsan is 62% right now, with a dew point of 8°. Comfort levels are moderate.

What is the wind speed in Ulsan today?

Wind speed in Ulsan is 8.68 km/h, flowing at 333° NNW wind direction. Gusts up to 15.7 km/h.

What is the 5-day forecast for Ulsan?

NearWeather provides a detailed 5-day forecast and 48-hour hourly forecast for Ulsan. Today's high is 15° and low is 15°, with a 0% chance of rain. Scroll up to view the full day-by-day and hourly breakdown.

What does it feel like in Ulsan today?

It feels like 14° in Ulsan today, with 30% cloud cover and 10 km visibility.

Weather in Ulsan