Those hoping for a warm and sunny May may have to wait a little longer as an Arctic air movement is expected to bring colder-than-average temperatures and ground frost to the UK. Cold air moving in from the North will bring a brisk northerly breeze over the next few days, the Met Office said, warning overnight temperatures may drop to around freezing or even below, causing unseasonably late frosts in some areas. Daytime temperatures will see highs of 16 to 17C on Tuesday before dropping to 13 to 14C more widely across the country, with some easterly locations struggling to even get into double figures. Britons enjoyed sunny spells in the capital on Saturday (AFP/Getty) The unseasonal turn comes after May started with a scorching 25.4C recorded in Kew Gardens and Heathrow. Even on Saturday, the UK saw temperatures warmer than Madrid with a steady 21C recorded across the capital and parts of the south of England.…