Observed at 14:00, Wednesday 1 January BBC Weather in association with MeteoGroup, external All times are Central European Standard Time (Europe/Paris, GMT+1) unless otherwise stated.

Saint-Valery-sur-Somme is a pretty little town on the Baie de Somme, where William the Conqueror set out with his fleet to invade England. It is also famous for its rope-grown mussels (moules de ...