In the filming, the 68-year-old is seen coming out of a log cabin wearing a long sheepskin coat, undressing and diving three times into a cross-shaped pool, crowned with a statue of crucifixion carved in ice.
Temperatures in the Moscow region have been around -20 degrees Celsius (-4 degrees Fahrenheit) in the last week.
Celebrated on January 19, the Day of Baptism commemorates the baptism of Jesus in the Jordan River. At Epiphany, the water is considered holy and many people in Russia and Eastern Europe take a bath as a sign of their Orthodox Christian faith.
It is believed that tradition brings good health, strengthens the immune system and washes away sins.
Putin’s blue swimming trunks in the footage were seen on Russian social networks, given their resemblance to the missing blue underwear, allegedly used to poison Navalny with nerve agent Novichok last year.