According to the Portuguese Met Office, mainland Portugal will be reaching UV indexes of between 9 and 10 on a scale of 1 to 11.


These conditions, which will be at their most intense between 11am and 4pm, have resulted in the Met Office issuing an advisory for people to wear UV protection sunglasses, caps or hats, to always wear a shirt, abundant use of sun cream and to avoid children being exposed to the sun.