Weather in Watford, UK during December 2020

Round up of the weather across the UK and especially Watford in December 2020.

It was a month of thirds in the UK with a very warm middle surrounded by a cold sandwich. The CET (Central England Temperature) ended up at 4.97c which made it an average month. At one point with 10 days to go the CET was well over 2.5c above the long term average but the very cold end brought this backdown.

For those who don’t know the CET is the longest temperature instrumental series in the world…