'Over the winter season, it looks like the average maximum daily temperature for Southern England may be slightly below the seasonal average of 46 to 48f (8-9c), but in the North it may be slightly above the average of 43 to 45F (6-7c).' Since daily meteorological records began in Britain in the 17th century, the coldest winter was probably 1684, when the diarist John Evelyn took a coach to Lambeth along the frozen Thames.