Temperatures rose to 40.1 degrees in the eastern city of Isaki on Saturday, a record for June in the country, according to the Japan Meteorological Agency.
Due to high temperatures, Japanese authorities have advised residents to avoid exposure to the scorching sun and drink more water.
For its part, the Japanese TV channel NHK reported that Tokyo hospitals received 62 people with heat stroke today, Saturday, adding that two of them are in critical condition.
On Friday, 16 students from the eastern city of Kai were taken to the hospital with heatstroke.
Source: TASS