Back in 2007 or 08 we had a very dry summer in the south. I remember it quite well as we took the roof of our bungalow and replaced with second storey it got to stage we did not even bother covering up at night. It lasted from about last week in may to first week in August when we had some heavy rain the heather on the heath that year was good. And that ground is as sandy and dry as you can get