Ulsan Weather Today

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

Ulsan temperature today is 20°, feels like 21°, with a humidity level of 93% and wind at 8.64 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 26° and a low of 19°, with clear sky.

broken clouds
20°
broken clouds
H: 20° L: 20°
Feels like 21°
AQI: Moderate (3/5)
Humidity
93%
Dew 19°
Wind speed
8.64 km/h
NNW · G22.97
Pressure
1020 hPa
Visibility
10 km
High Humidity
Humidity is 93%. May feel uncomfortable.
Weather Summary
Currently in Ulsan, expect varied conditions with mild temperatures around 20°. Winds are a light breeze. High humidity may make it feel uncomfortable.
Precipitation Probability
0%
06
0%
09
25%
12
20%
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
Evolution
Daily Weather Forecast Evolution (°C)
Lowest temperature
Highest temperature
Temperature Forecast (48h)
21°
Sat
06:00
23°
 
26°
 
27°
 
23°
Sat
18:00
20°
 
20°
 
19°
 
19°
Sun
06:00
22°
 
26°
 
26°
 
22°
Sun
18:00
19°
 
17°
 
16°
 
Hot (≥30°)
Warm
Cool
Cold (<0°)
Weather Map
Sun & Moon
Sunrise
Sunrise
06:08
Sunset
Sunset
18:25
Moon Phase
First Quarter (64%)
Timezone: GMT+05:30
Last updated: Sep 19, 2026 1:10 AM · Data refreshes every 5 min
Location Info
Latitude
Latitude
35.566669
Longitude
Longitude
129.266663
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More about Ulsan
Content curated by the NearWeather editorial team · Updated periodically

Climate and Weather in Ulsan-gwangyŏksi, South Korea

Ulsan-gwangyŏksi, commonly known as Ulsan, is a metropolitan city located in the southeastern part of South Korea. With its vibrant economy and rich cultural heritage, Ulsan attracts both tourists and professionals from around the world. Understanding the climate and weather patterns of this region is essential for planning trips, outdoor activities, and even long-term stays. Let's take a closer look at the climate and weather in Ulsan-gwangyŏksi throughout the year.

Climate Classification

Ulsan-gwangyŏksi experiences a humid subtropical climate, also known as a warm temperate climate, which is influenced by its coastal location and the surrounding mountain ranges. This classification results in mild winters and hot, humid summers. The city is also prone to typhoons during the late summer and early autumn months.

Seasonal Temperatures

Ulsan-gwangyŏksi has distinct seasons, each with its own unique temperature range. Here is a breakdown of the average temperatures you can expect during each season:

Season Average Temperature (°C)
Spring (March - May) 8°C - 19°C
Summer (June - August) 21°C - 29°C
Autumn (September - November) 14°C - 25°C
Winter (December - February) -3°C - 7°C

As seen from the table, Ulsan-gwangyŏksi experiences pleasant temperatures during spring and autumn, making these seasons ideal for outdoor activities and sightseeing. Summers can be hot and humid, with temperatures often reaching the high 20s or even low 30s (°C). Winters are relatively mild, but temperatures can drop below freezing, especially during the night. It is important to pack accordingly and plan activities accordingly, depending on the season.

Rainfall and Precipitation

Ulsan-gwangyŏksi receives a moderate amount of rainfall throughout the year, with the wettest months being July and August. The city experiences a monsoon season during these months, characterized by heavy rainfall and occasional thunderstorms. The average annual precipitation in Ulsan-gwangyŏksi is around 1,200mm.

Here is a breakdown of the average monthly rainfall in Ulsan-gwangyŏksi:

Month Average Rainfall (mm)
January 28mm
February 36mm
March 57mm
April 76mm
May 82mm
June 165mm
July 330mm
August 314mm
September 103mm
October 41mm
November 28mm
December 23mm

It is advisable to carry an umbrella or raincoat when visiting Ulsan-gwangyŏksi, especially during the summer months, to stay prepared for occasional rainfall.

Typhoons

Ulsan-gwangyŏksi is susceptible to typhoons, particularly during the late summer and early autumn months. These powerful tropical storms can bring heavy rain, strong winds, and potential flooding. The typhoon season in South Korea typically lasts from July to September, with August being the most active month.

Best Time to Visit

The best time to visit Ulsan-gwangyŏksi is during spring (March to May) and autumn (September to November). These seasons offer comfortable temperatures, less rainfall, and beautiful natural scenery. However, if you enjoy the warmth and vibrant atmosphere of summer, you can plan your visit during June to August.

It is important to note that Ulsan-gwangyŏksi hosts various festivals and events throughout the year, such as the Ulsan Whale Festival in April and the Ulsan Grand Park Cherry Blossom Festival in April. Consider checking the local event calendar to align your visit with any special events that interest you.

Overall, Ulsan-gwangyŏksi experiences a humid subtropical climate with mild winters, hot summers, and moderate rainfall. Understanding the weather patterns and seasons will help you make the most of your time in this vibrant city.

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 20°, and it feels like 21°. Today's high is 20° and the low is 20°.

Will it rain in Ulsan today?

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

What is the weather in Ulsan today?

Ulsan is experiencing broken clouds with a temperature of 20°. Humidity is at 93% and wind speed is 8.64 km/h from the NNW.

What is the humidity in Ulsan today?

Humidity in Ulsan is 93% right now, with a dew point of 19°. Conditions may feel muggy or uncomfortable.

What is the wind speed in Ulsan today?

Wind speed in Ulsan is 8.64 km/h, flowing at 346° NNW wind direction. Gusts up to 22.97 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 20° and low is 20°, 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 21° in Ulsan today, with 73% cloud cover and 10 km visibility.

Weather in Ulsan