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In some areas, indeed, it is possible for there to be multiple stable biomes. [30] The annual rainfall ranges from 500 mm (19.69 in) to 1,270 mm (50.00 in) per year, with the precipitation being more common in six or eight months of the year, followed by a period of drought. Savannas may at times be classified as forests. [13]
This latter fact is in a direct contrast to a tropical monsoon climate, whose driest month sees less than 60 mm (2.4 in) of precipitation but has more than () of precipitation. In essence, a tropical savanna climate tends to either see less overall rainfall than a tropical monsoon climate or have more pronounced dry season(s).
The tropical and subtropical grasslands, savannas, and shrublands are characterized by rainfall levels between 90–150 centimetres (35–59 in) per year. [1] Rainfall can be highly seasonal, with the entire year's rainfall sometimes occurring within a couple of weeks. African savannas occur between forest or woodland regions and grassland regions.
A tropical savanna is a grassland biome located in semi-arid to semi-humid climate regions of subtropical and tropical latitudes, with rainfall between 750 millimetres (30 in) and 1,270 millimetres (50 in) a year.
The Cerrado's climate is typical of the wetter savanna regions of the world, with a semi-humid tropical climate. The Cerrado is limited to two dominant seasons throughout the year: Wet and dry. Annual temperatures for the Cerrado average between 22 and 27 °C and average precipitation between 80–200 cm for over 90% of the area. [5]
The annual precipitation is between 700 and 1000 mm. The driest months are generally in the winter and they have less than 60 mm of rainfall (often much less). [19] Regions under the savanna climate usually have lands covered with flat grassland vegetation with areas of woodlands. Those grassland biomes cover almost 20% of the Earth's surface. [20]
Annual rainfall averages about 2,000 millimetres (79 in). Average monthly rainfall varies from 55.3 millimetres (2.18 in) in November to 376.2 millimetres (14.81 in) in June. [5] There are NE and SE trade winds during most of the year. Relative air humidity is generally high, with mean annual levels of 75–85%. [3]
A tropical savanna is a grassland biome located in semi-arid to semi-humid climate regions of subtropical and tropical latitudes, with rainfall between 750 and 1,270 mm (30 and 50 in) a year. They are widespread on Africa, and are also found in India, the northern parts of South America, Malaysia, and Australia. [ 99 ]