Sheltered among the prolific Sierra Madre del Sur Mountains, Ixtapa and Zihuatanejo share captivating white sandy beaches, clear blue waters, warm weather, and 300 sunny days out of the year. July and August are the hottest months of the year, averaging 84 – 91º F. The cooler months, from December to February, average 70 – 73ºF. The rainy season starts in June and carries on through September and sometimes into October. The water temperatures at the beaches average 79º F annually.