[Weather] Full-Fledged Summer Heat Begins... Scattered Showers and Tropical Nights in Many Areas

On July 1, the apparent temperature in most regions nationwide is expected to rise to around 33 degrees Celsius, marking the start of the full-fledged summer heat.

In some areas of Gyeonggi Province, the east coast and mountainous regions of Gangwon Province, the southern regions, and the eastern part of Jeju Island, the apparent temperature is forecast to reach up to 35 degrees Celsius.

On the 19th, with the daytime high temperature exceeding 33 degrees Celsius and humid weather continuing, a child visiting the fountain tunnel at Gwanghwamun Square in Jongno-gu, Seoul, is enjoying water play. The Korea Meteorological Administration forecasted that starting tomorrow, a large amount of rain will fall nationwide due to the influence of the monsoon front. 2025.6.19 Photo by Jo Yongjun

The morning low temperature is expected to range from 22 to 27 degrees Celsius, while the daytime high will range from 27 to 35 degrees Celsius.

In the Seoul metropolitan area and the inland and mountainous regions of Gangwon Province, about 5 millimeters of rain is expected from early morning to the morning hours. In the western coastal area of South Chungcheong Province, there may be places where less than 0.1 millimeters of raindrops fall between early morning and morning.

Between morning and evening, scattered showers of 5 to 40 millimeters are expected in the Seoul metropolitan area, inland and mountainous regions of Gangwon Province, Chungcheong region, Jeolla region, and inland areas of Gyeongsang region. In areas where showers occur, there may be gusty winds accompanied by thunder and lightning.

Last night, Seoul experienced its first tropical night of the year. Another tropical night is expected tonight in various inland areas, including Seoul and Gangneung. A tropical night is defined as a phenomenon in which the temperature remains at or above 25 degrees Celsius overnight (from 6:01 p.m. the previous day to 9:00 a.m. the following day).

For the time being, there is a possibility of tropical nights occurring in some regions.

Fine dust concentrations are expected to remain at 'good' to 'moderate' levels nationwide due to smooth atmospheric dispersion.

Wave heights at sea are expected to range from 0.5 to 1.0 meters in the coastal waters of the East Sea and South Sea, and from 0.5 to 1.5 meters in the coastal waters of the West Sea.

In the offshore areas (distant sea within about 200 kilometers from the coastline), wave heights are forecast to be 0.5 to 1.5 meters in the East Sea and West Sea, and 0.5 to 1.0 meters in the South Sea.