Metropolitan City of Cagliari the warmest month with an average temperature of that of about . African anticyclone activity can cause heat waves starting in June. From mid-June to mid-September rain is rare and appears in afternoon storms. The rainy season starts in September, but the first cold days come in December, usually the wettest month. Winds are frequent, especially the mistral and sirocco; in Summer days a marine sirocco breeze ("s'imbattu") lowers the temperature and the humidity. On the surrounding mountains, the climate is very different with plentiful average rainfall, cold winters, and mild warm summers (Csb in the Köppen climate classification). As
Jacques Mistral Jacques Mistral Jacques Mistral (born September 22, 1947) is a French economist and professor. He is a member of the Council of Economic Analysis ("Conseil d'analyse économique") in France, a member of the Cercle des économistes, and as of October 2009, a member of the scientific council of the center-left think tank "Fondation pour l'innovation politique". Mistral was born in Toulouse, France. He graduated from the École Polytechnique in Paris in 1967 and earned his Ph.D in Economics from the University of Paris I in 1977. Mistral has held several professorships: from 1978 to 1992, he was a professor of