The climate and weather of Madagascar – The climate of Madagascar varies with regions; north, south, west and east coasts. The island generally has a subtropical climate with a summer from November to April and winter season from May to October. Due to difference in the levels of altitude, the east coast is cooler than the west and the south and southwest coasts are semi-desert because of high temperatures and little rainfall. The east coast receives more rainfall. Madagascar has numerous highlands where temperatures are cooler.