Heat wave advisory issued for Seoul SEOUL , June 9 ( Yonhap ) -- The season ' s first heat wave advisory was issued in Seoul on Tuesday , according to the Korea Meteorological Administration ( KMA ) , as the nation continues to grapple with scorching temperatures . The KMA said the heat wave advisory was put into effect at 11 a . m . in eastern Seoul , marking the first heat wave advisory for the capital this year . A heat wave advisory is issued when the highest reasonable temperature is projected to exceed 33 C for more than two consecutive days , or damage is expected due to prolonged hot weather . Advisories have been put in place in various regions , including the provinces of Gyeonggi , North Jeolla and North Gyeongsang , as well as the cities of Daejeon , Sejong and Daegu . Seoul ' s temperature reached 32 C on Monday , a record high for this year . Temperature in Daegu climbed as high as 35 . 6 C . Gyeongsan , just south of Daegu , was also issued a heat wave warning Monday and is forecast to see temperatures as high as 36 C later Tuesday . A heat wave warning is issued when the highest sensible temperature is projected to exceed 35 C for more than two days . Gangneung saw the country ' s first tropical night of the year Monday , with the lowest nighttime temperature reaching 25 . 7 C . A tropical night is defined by the nighttime low staying above 25 C . " The maximum apparent temperatures in many regions in the country will rise to 33 C or higher until Wednesday , " the KMA said . According to the KMA forecast , the average temperature in the June - August period was forecast to be 0 . 5 to 1 degree higher than last year ' s average of 24 . 1 C , with the temperature peaking between late July and mid - August . The agency expected nine to 12 typhoons to occur this summer , with two or three of them affecting the country . Pedestrians cross a street in downtown Seoul on a sweltering June 8 , 2020 . ( Yonhap ) odissy @ yna . co . kr ( END )