UV Index
UV Index
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Today's UV index in Seoul, South Korea 
will be up to 2.1, indicating low risk of harm from the sun's UV rays for the average person. Check our tips for today to make sure you're safe in the sun.
Today, the UV index suggests low sun danger (0-2) in Seoul, reaching up to 2.1. Remember sunglasses and SPF 30+ on sunny days, and be cautious around reflective surfaces like sand, water, and snow for increased UV exposure.
Read more here about the climate and sun exposure in and around Seoul.
The UV index in Seoul, South Korea can be quite high, reaching levels of 8 or 9 (very high) during summer months. This means that the sun's rays can be harmful to unprotected skin, so it's crucial to use sunscreen and seek shade between 10 am and 4 pm to prevent sunburns and reduce the risk of skin cancer.
Seoul experiences four distinct seasons: spring, summer, autumn, and winter. Spring (March-May) brings mild temperatures around 15-20 °C (59-68 °F) with occasional rain showers. Summer (June-August) is hot and humid, with temperatures averaging 25-30 °C (77-86 °F). Autumn (September-November) boasts pleasant temperatures ranging from 15-25 °C (59-77 °F), and the colorful foliage is a sight to behold. Winter (December-February) is cold and dry, with temperatures averaging -5 to 5 °C (23-41 °F), occasionally dropping below freezing.
Compared to its region, Seoul experiences significant daily variations in sun exposure due to its distinct seasons. Summers are hotter but also bring longer daylight hours, while in winter, days are shorter with less sunlight. It's important to adapt to these changing conditions, wear appropriate clothing, and prioritize sun protection to stay safe and comfortable throughout the year.
The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Seoul. It's designed to provide you with a better understanding of the yearly weather and sun exposure.