Mud festival in South Korea
In July, the peaceful seaside town of Boryeong turned into a chaos of mud for 9 days. We recommend putting this festival on your bucket list.
The amount of sunshine is fundamental to comprehending a place's climate. This page shows the total number of hours of direct sunlight per month and the average hours per day in Ulsan, Chungcheongbuk-Do, South Korea. The numbers reflect climate data gathered over a 30-year period, from 1990 to 2020.
Ulsan experiences sunny spells throughout the year. The sunniest month, May, sees up to 217 hours of sunshine, while July, the least sunny month, still provides a respectable 152 hours. The total annual sunshine amounts to 2203 hours.
This means you can enjoy sunny spells year-round. May sees up to 7.2 hours of daily sunshine, perfect for a sunny trip. July, the least sunny month, still offers a generous 5.1 hours of sun despite this cloudier / rainier time of the year.
On average the sun shines 63% of the time during the day in December, the highest percentage of any month. July has the lowest percentage at 35%.
Ulsan enjoys an average of 2203 hours of sunshine annually. Let’s compare this with some popular tourist destinations:
The city of Rome, Italy, experiences 2470 hours of sunshine annually, adding to its charm as a year-round tourist destination.
In contrast, Juneau, Alaska, receives only about 1523 hours of sunshine per year and is known for its very short days in winter and frequently overcast conditions.
Oslo, Norway, receives approximately 1690 hours of sunshine annually.
Adelaide, Australia, enjoys 2770 hours of sunshine annually, with long, sunny summers.
August, Ulsan’s wettest month, receives 214 mm (8.4 in) of rainfall and has a maximum daytime temperature of 30°C (86°F). During the driest month December you can expect a temperature of 10°C (50°F).
For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Ulsan Precipitation page.
Pick a month to see the average temperature, rainfall and sunshine in Ulsan - and find the best time to visit.
Temperature Rainfall Sunshine Humidity
See the full Ulsan climate overview or explore weather in South Korea.
Where to go in October - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
Mud festival in South Korea
In July, the peaceful seaside town of Boryeong turned into a chaos of mud for 9 days. We recommend putting this festival on your bucket list.
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