South Korea is experiencing strong sunshine and early-summer heat today as the region observes the summer solstice [1].

The timing of this heat coincides with the solar term known as 'Haji,' the point in the year when the sun is at its highest and the day is longest [1]. This atmospheric shift naturally leads to increased temperatures and intense sunlight across the peninsula.

In Seoul, temperatures have exceeded 27 °C [1]. Weather caster Lee Hye-min said from the Water Plaza that the intense sunlight is currently beating down on the city [1].

"On this day of the solar term 'Haji,' the daytime heat is raging under the strong sunlight," a YTN News anchor said [1].

Lee Hye-min said that the current weather is typical for the solstice, as it is the time of year when the sun is highest and the days are longest [1].

The heat will be followed by a shift in weather patterns starting tomorrow. Meteorological forecasts indicate that scattered showers will move across the country's inland regions [1]. These inland areas are expected to receive between five and 30 mm of rain [1].

Jeju Island is expected to see more significant precipitation. Starting tomorrow afternoon, the island is forecast to receive between 20 and 60 mm of rain [1].

"From tomorrow afternoon, 20–60 mm of rain will fall on Jeju Island, and showers of 5–30 mm will pass through the inland areas nationwide," Lee said [1].

Seoul temperatures have exceeded 27 °C

The arrival of the summer solstice marks a critical transition in South Korea's seasonal cycle, signaling the peak of solar intensity before the onset of the monsoon season. The predicted shift from extreme heat to scattered showers across inland regions and Jeju Island suggests an increase in atmospheric instability common during the early summer transition.