Seoul Hits 34°C, Hottest Day of the Year; Rain to Spread Nationwide Tonight

Jun 19, 2026

Seoul Hits 34°C, Hottest Day of the Year; Rain to Spread Nationwide Tonight
As rain clouds approach, bringing humid air, Seoul reached a daytime high of 34°C (93°F) today (June 19), marking the hottest day of the year so far.

Currently, rain clouds are concentrated mainly in the southern regions, while some parts of the Seoul metropolitan area are experiencing passing showers.

The rain is expected to expand across the entire country by tonight.

Through tomorrow, heavy rain is expected, with over 250mm in the mountainous regions of Jeju Island, and more than 150mm in the southern coast and the eastern coastal areas of Gangwon Province, which are affected by geographical factors. Residents in other parts of the country should also be cautious of heavy rainfall, with 30 to 100mm expected.

Looking at tomorrow's temperatures, the morning low in Seoul will be 22°C (72°F), and the daytime high will only reach 25°C (77°F), showing a sharp drop in temperature within a single day.

However, as it rains, the humidity will rise, making the perceived temperature feel slightly higher.

(Weather Caster Lim Eun-jin)
※ Please note: This article was translated by AI and may contain errors.