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Ulsan, South Korea Weather Averages

August is the hottest month in Ulsan with an average temperature of 27°C (80°F) and the coldest is January at 2°C (36°F). The wettest month is July with an average of 260mm of rain..

Average Temperature Ulsan

What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month
What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month

Average High Low Temperature Ulsan

What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily
What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

Average Rainfall Ulsan

What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years
What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years

Ulsan : Next 24-Hour Weather

Tomorrow - 6th October 2025

Sunrise 06:21

Sunrise

Sunset 18:00

Sunset
8:00
Light drizzle
21°C (69°F)
9:00
Light rain shower
21°C (69°F)
10:00
Light drizzle
21°C (69°F)
11:00
Light rain shower
21°C (69°F)
12:00
Patchy rain possible
21°C (69°F)
13:00
Patchy rain possible
21°C (70°F)
14:00
Patchy rain possible
22°C (70°F)
15:00
Patchy rain possible
22°C (71°F)
16:00
Patchy rain possible
22°C (71°F)
17:00
Patchy rain possible
21°C (70°F)
18:00
Patchy rain possible
21°C (69°F)
19:00
Patchy rain possible
20°C (68°F)
20:00
Light rain shower
20°C (68°F)
21:00
Light rain shower
21°C (68°F)
22:00
Light rain
21°C (68°F)
23:00
Light rain shower
21°C (69°F)

Tomorrow - 7th October 2025

Sunrise 06:21

Sunrise

Sunset 18:00

Sunset
0:00
Light rain shower
21°C (69°F)
1:00
Patchy rain possible
21°C (69°F)
2:00
Light rain shower
21°C (69°F)
3:00
Light rain shower
21°C (69°F)
4:00
Light drizzle
21°C (69°F)
5:00
Patchy rain possible
20°C (68°F)
6:00
Patchy rain possible
20°C (68°F)
7:00
Patchy rain possible
20°C (68°F)
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