A man uses a portable fan to cool off Monday in Tokyo. At least 53 people have died of heatstroke this month in the Japanese capital, with a growing number showing symptoms of heatstroke, national broadcaster NHK reported.

Children play among water jets Sunday in Gifu prefecture.

Men bask in the sun Saturday at a beach.

A pedestrian covers his head with a towel Sunday amid the scorching heat.

A boy balances a bottle of water on his head to cool down on Aug. 11 amid the heat wave in Isesaki. The temperature rose as high as 40.5 C in the city that day.

People flock to a beach Saturday in the city of Kamakura as the heat wave sweeps the region.