Water tank trucks spray water on a road in Gwangju on Tuesday as a heat wave scorches the city.
The record-long rainy season that brought heavy downpours and caused casualties across Korea ended Sunday, to be immediately followed by a heat wave, the weather agency said.
Vacationers cool themselves off at Haeundae Beach in Busan on Tuesday, as a heat wave advisory was issued for the region.
Beachgoers roam around Jeju's Hyeopjae Beach on Monday as a heat wave scorches the southern island. The same day, torrential rainfall soaked Korea's central region.
Air-conditioning units, on an outer wall of a high-rising building in Seoul, spew hot air on Monday as daytime temperature reached 35 degrees Celsius (95 Fahrenheit) in Seoul.
Air shimmers over a street in Yeouido, western Seoul, on Tuesday when a heat wave advisory was issued across the nation as the mercury hit 30 degrees Celsius (86 degrees Fahrenheit).
A truck sprinkles water to cool off downtown Daegu on Thursday, as the weather agency issued the first heat wave advisory of the year