The Cayo Largo weather is moderately tropical. The average temperature is 27º centigrade, possibly rising to 28º C in summer. In the gentle winter the temperatures descend to 25.4º C. Rainfall is minimal, 78 per cent of which occurs between the months of May and October; the annual average number of days when there is rainfall is forty and it generally rains in the afternoon and the evening. Cayo Largo Weather generally has eastern winds prevailing.