ingland
The word driest is used to show the extent of something eg. the UK has had its driest summer this year or the Sahara dessert is the most driest desert known to man
The mountains and Basins Region is the driest part in Texas. :-)
the driest part is around Dublin city
West
that is why i asked
uae
santa rita
Death valley
Parts of Shropshire had less than 400mm of rain in 2011. I don't know how that compares with other parts of the UK, but I know that Essex (on average the driest county) had quite a bit more than this.
Northwestern Mexico, as it is part of the Sonoran and Chihuahuan deserts.
The driest months in the UK are generally May or June, with an average of about 50 cm per month. The driest week in 2013 was the first week of June, where rainfall was well below average in most areas.