In England, famous for its rain and the lush green of its countryside, the Gulf Stream ensures mild, maritime influenced weather. The warmest months are July and August with temperature averages between 16 and 21°C. Rain falls throughout the year, and the weather in England can sometimes change very quickly. Average annual rainfall in the north is more than 1,600mm, but central and southern England receive an average of less than 800mm. April, May and June are the driest months.
England Weather Averages
England's Average Temperature, Sunshine and Rainfall
For more info, click on this link: http://www.metoffice.gov.uk/ and search for 'Regional climates'.