Weather Changes as June Begins: Heat and Rain Expected

By Lee Dong Geon Posted : May 31, 2026, 17:33 Updated : May 31, 2026, 17:33
Tourists spend time at Gyeongbokgung Palace in Jongno, Seoul. [Photo=Yonhap News]

The first week of June will see generally cloudy weather across the country, accompanied by early summer heat. On June 1, daytime temperatures in Seoul are expected to reach 29 degrees Celsius, while Gangneung and Daegu could see highs of 32 degrees. Rain is forecast for Jeju Island.

According to the Korea Meteorological Administration, the weather on June 1 will start off mostly cloudy, with occasional breaks of sun in the morning. Jeju Island will experience cloudy conditions with rain beginning in some areas from the morning. Morning lows are expected to range from 14 to 20 degrees Celsius, with daytime highs between 27 and 32 degrees.

Specific temperatures for June 1 include Seoul at 18 to 29 degrees, Gangneung at 22 to 32 degrees, and Daegu at 20 to 32 degrees. As temperatures rise significantly during the day, some inland and eastern coastal areas will experience early summer heat.

Jeju Island is expected to see rain from June 1 to June 2, with anticipated precipitation between 30 and 80 millimeters. Particularly in the evening, heavy rain of 20 to 30 millimeters per hour may occur, necessitating caution regarding infrastructure and transportation safety.

On Tuesday, June 2, the central region will be mostly clear, while the southern regions and Jeju Island will remain cloudy. The Jeolla region will start to clear in the afternoon, with the Gyeongsang region and Jeju Island becoming clearer by night. Morning lows are forecasted to be between 15 and 20 degrees, with daytime highs ranging from 24 to 31 degrees.

From Wednesday, June 3, to Thursday, June 4, the country will be under the influence of high pressure, resulting in mostly cloudy weather. Jeju Island will continue to experience cloudy conditions. During this period, morning lows are expected to be between 17 and 19 degrees, with daytime highs from 24 to 31 degrees.

From Friday, June 5, to Sunday, June 7, the country will remain under the influence of high pressure, leading to cloudy weather. Morning lows are expected to range from 14 to 19 degrees, while daytime highs will be between 21 and 29 degrees, slightly lower than earlier in the week.

For the first week of June, expected morning lows in major regions include 17 to 19 degrees in Seoul, 17 to 18 degrees in Incheon, 15 to 17 degrees in Chuncheon, 17 to 19 degrees in Daejeon, 16 to 19 degrees in Gwangju, 17 to 19 degrees in Daegu, 18 to 20 degrees in Busan, and 19 to 21 degrees in Jeju.

Projected daytime highs are 25 to 31 degrees in Seoul, 24 to 29 degrees in Incheon, 25 to 31 degrees in Chuncheon, 27 to 30 degrees in Daejeon, 27 to 30 degrees in Gwangju, 27 to 32 degrees in Daegu, 24 to 28 degrees in Busan, and 24 to 27 degrees in Jeju.

Air quality is expected to be at a 'moderate' level due to smooth atmospheric circulation. However, during times of strong ultraviolet radiation, it is advisable to wear hats or use umbrellas and stay hydrated.

As temperatures rise rapidly, attention to health is necessary. Particularly, children and the elderly should avoid prolonged outdoor activities during peak hours and pay attention to indoor temperature management.



* This article has been translated by AI.

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