It appears we're headed for a near-average month overall, unless there's a big shift toward a mild westerly regime or sustained cold northerly/easterly one. The latter featured in the GFS 06z but seems a long shot. The former is hinted at by the ECM 12z as of +10 days from now, but it's not clear cut whether it would actually head down that path. In any case, it's the first deterministic run of the past 4 or 5 days to even suggest such a thing!
I wonder just how much of a discrepancy there now is between the provisional and actual CET. Central England has experienced a wide area of lingering fog for a few days now, with the Pershore area recording subzero diurnal means Fri-Sat.