I know it's the wrong thread but might be worth a look before getting to deep into things..
Meto 22nd-31st
Temperatures generally slightly above average in the south, with colder temperatures falling below average in the north.
Meto 1st Jan-15th Jan
Temperatures generally slightly above average in the south, with colder temperatures falling below average in the north.
Updated at: 1401 on Wed 17 Dec 2014
Full update here: http://www.metoffice.gov.uk/public/weather/forecast
Originally Posted by: Jonesy