And no, its not climate change :
Thursday, 14 January 2021
Tuesday, 5 January 2021
Monday, 4 January 2021
December 2020 was the coldest December for 10 years. 2010 was the coldest winter for many decades which means that since then there were two cold snaps (2010, 2020) and two warm snaps (2015, 2018) so no overall trend of warming or cooling for the darkest month in the past decade.
The graphs below begin at 2011 but bear in mind that 2010 was way below average as was widely reported at the time :
Perhaps this is another reason for the pressure hospitals are now under as more people are ill due to the cold.