LOADING ERROR LOADINGDrought conditions have been officially declared in more parts of the UK following a barrage of heatwaves and a dearth of wet weather. Here’s where has been affected by drought so far, why, and how it might actually impact you. Where has drought been declared in the UK? Half of England has been declared in drought by the Environment Agency, owing to a combination of very low rainfall and higher temperatures. AdvertisementWhy was drought declared?