Temperatures in China's northernmost city plunged to minus 53°C (minus 63.4 degrees Fahrenheit) -- its coldest ever recorded.

Residents in Hafnarfjörður, a small town just outside the capital area, have rescued multiple swans that have frozen to the icy surface of Hamarkotslækur creek during a recent spate of desperately cold weather in the country, RÚV reports.

Some 1,600 bats found a temporary home this week in the attic of a Houston Humane Society director, but it wasn’t because they made it their roost. It was a temporary recovery space for the flying mammals after they lost their grip and plunged to the pavement after going into hypothermic shock during the city’s recent cold snap .

Strong winds and heavy snowfall have led to flights being delayed, trains being cancelled, and motorists told to avoid unnecessary journeys.

A week of several freeze and thaw cycles left Nome and the region with puddles on ice and scenes that look more like breakup in spring rather than the customary snowy landscape of December. The rain on ice interrupted normal life in Nome.

The lack of winter sea ice is keeping temperatures warm. Climatologist Rick Thoman says it's a "very clear climate change signal."

December should have sea ice development in Norton Sound. But no sign of ice yet this year. Several storms have moved northward across the western Bering Sea and brought strong winds and bouts of above freezing weather to the Teller area and all of the Bering Strait region.