The climate is generally tropical with average temperatures ranging from 27.5 °C (81.5 °F) on the coast to about 30 °C (86 °F) in the northernmost regions, with a dry climate and characteristics of a tropical savanna. To the south there are two seasons of rain (the first between April and July and the second between (September and November), even though the average rainfall is very high. The climate is tropical and humid for seven months while the dry desert winds of the harmatten blow south from November to March, bringing cooler weather.