The climate is tropical and moist. Daytime temperatures range from 28° to 32° C (82–90° F ). At night the temperature drops as low as 21° C (70° F ) because of the moderating influence of the northeast trade winds, which blow in from the sea all year. The annual rainfall in Paramaribo is about 230 cm (90 in). May to August is the main rainy season, with a lesser rainy season from November to February.