Dominican Republic - Climate
Climate and rainfall vary with region and altitude. Generally, however, average minimum and maximum temperatures range from 18° to 29° C (64° to 84° F ) in the winter and from 23° to 35° C (73° to 95° F ) in the summer. The coastal plain has an annual mean temperature of 26° C (79° F ), while in the Central Cordillera the climate is temperate and the mean is 20° C (68° F ). Rainfall varies from an annual average of 135 cm (53 in) in the eastern regions, with an extreme of 208 cm (82 in) in the northeast, to a mean of 43 cm (17 in) in the western areas. The rainy season generally extends from June to November and the dry season from December to May. The nation lies within the hurricane belt, and tropical storms constitute a major weather hazard.