Russia meanwhile celebrated the coldest Orthodox Christmas in 120 years, and even Istanbul was covered with a blanket of snow.
Ten of the latest victims of the cold perished in Poland where temperatures were as low as minus 14 degrees Celsius (seven degrees Fahrenheit) on Saturday.
"Seven people died on Friday in what was the deadliest day this winter," said spokeswoman Bozena Wysocka from the Polish government centre for security (RCB).
In Italy in the past 48 hours the cold has been blamed for seven deaths, including five homeless people, two of them Polish nationals, authorities said.
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There was heavy snowfall in central Italy and also in the southeast where the airports at Bari and Brindisi as well as in Sicily were closed Saturday morning.
Prague's emergency services reported three deaths -- two homeless people and a parking lot guard -- overnight in the Czech capital, the coldest night so far this winter.
And in Bulgaria on Friday the frozen bodies of two Iraqi migrants were discovered by villagers in a mountain forest in the southeast of the country near the border with Turkey.
Authorities expect the toll to rise as weather conditions are set to remain unchanged this weekend.
The heavy snowstorms reached Turkey, paralysing its biggest city Istanbul where almost 65 centimetres (25 inches) of snow fell, forcing hundreds of flights to be cancelled today.
Greece likewise has seen fierce cold weather over the past week. In the north near the Turkish frontier a 20-year-old Afghan migrant died of the cold on Tuesday.
With more than 60,000 mainly Syrian refugees on its territory, Greece has moved many migrants to prefabricated houses and heated tents.