The islands enjoy a pleasant tropical climate all year round, with a yearly average temperature of 26° C (79° F ). The warmest month is September, with an average temperature of 27° C (81° F ); the coolest is January, with an average temperature of 25° C (77° F ).
The average yearly rainfall on St. Vincent is 231 cm (91 in), but in the mountainous areas the average rainfall is more than 380 cm (150 in) a year. May or June through December is the rainy season.