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: Annual Weather Averages. August is the hottest month in Cozumel with an average temperature of 28Â°C (82Â°F) and the coldest is January at 24Â°C (75Â°F) with the most daily sunshine hours at 11 in May.The wettest month is September with an average of 247mm of rain.The best month to swim in the sea is in August when the average sea temperature is 29Â°C (84Â°F).he wettest month is September with an average of 247mm of rain. The best month to swim in the sea is in August when the average sea temperature is 29Â°C (84Â°F).