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
USS Sirocco PC ships such as Sirocco complete a variety of mission sets that has expanded since the transfer of the ships and associated support structures in Naval Surface Warfare. As of 2009, PC ships deployed in Bahrain primarily conducted Maritime Security Operations in the Persian Gulf with a concentration towards anti-piracy. In 2009, "Sirocco" completed phase 1 of a modernization program to extend the useful lives of these hard working ships. Upgrades included new computer systems and satellite communications, as well as upgraded AC systems and a Rafeal Typhoon MK38 MOD II gun weapons system replacing the previously fitted MK96 mount.