Continental islands are generally larger (most notably, the Marianas, New Guinea, the Bismarcks, the Solomons, Vanuatu, Fiji, New Caledonia, and the North and South islands of New Zealand) and have richer mineral-bearing soils than their oceanic counterparts.
Average Weather in March in San Miguel de Cozumel Mexico. In San Miguel de Cozumel, the month of March is characterized by gradually rising daily high temperatures, with daily highs increasing by 2Â°F, from 83Â°F to 85Â°F over the course of the month, and rarely exceeding 89Â°F or dropping below 78Â°F.
(Cozumel, Quintana Roo, Mexico) 1  The climate in Cozumel is often classed as sub-tropical, due to its constant fine weather and resultant high temperatures. 2  The rainy season in Cozumel is fairly predictable and you can expect rainy weather at any time between May and October.