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.
To truly understand a climate, we must look at its sunshine. This page shows the total number of hours of direct sunlight per month and the average hours per day in Seoul, Chungcheongbuk-Do, South Korea. These averages rely on historical data collected over 30 years, from 1990 to 2020.
Those who love seasonal contrasts will appreciate Seoul. Expect long, bright days with 225 hours in May and darker periods with just 124 hours in July. The total annual amount of sun is 2148 hours.
This means the city can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 7.5 hours of sunshine daily. In contrast, the city experiences much darker days in July, with only 4.1 hours of sunlight per day.
On average the sun shines 59% of the time during the day in October, the highest percentage of any month. July has the lowest percentage at 27%.
Seoul enjoys an average of 2148 hours of sunshine annually. Let’s compare this with some popular tourist destinations:
Seville, Spain, enjoys an impressive 2920 hours of sunshine per year, making it an ideal destination even in winter.
Manchester, UK, experiences just around 1420 hours of sunshine annually.
In Chicago, USA, the annual sunshine averages 2520 hours, contributing to its humid continental climate.
In Tokyo, Japan, the average annual sunshine is 1930 hours, with sunny periods between rainy seasons.
July, Seoul’s wettest month, receives 260 mm (10 in) of rainfall and has a maximum daytime temperature of 30°C (86°F). During the driest month January you can expect a temperature of 3°C (37°F).
For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Seoul Precipitation page.
Pick a month to see the average temperature, rainfall and sunshine in Seoul - and find the best time to visit.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Seoul climate overview or explore weather in South Korea.
Where to go in September - 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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