Summary

• Temperature-  overall mean (CET for England); rather above average (+1.5C)
• UK rainfall –  rather above average (120% of the average)
• UK sunshine – rather below average (85% of the average)
• Winds- rather above average strength & predominantly likely to be W-SW’ly

December forecast synoptic summary

Week 1 from the 1st-7th December will initially see high pressure across France but low pressure to the NW  and a southerly flow developing on the 3rd though low pressure running across the south and works away SE on the 4th with pressure rising from the west but further deep low pressure will be near Iceland giving a stronger gradient across the UK. Another low seems likely to run NE from the Atlantic towards N Ireland & W Scotland by late on the 5th, and further deep low pressure areas running across NW of Scotland allowing some colder shots of PM air into the north but staying mainly milder in the south.

In week 2, from the 8th-14th December an unsettled chilly W-NW'ly