The average day during the winter-dry season is cool, but never gets cold. The summer-rainy season is humid and very wet.
Savannas are typically warm year round. What makes them different from a desert is the slightly greater abundance of vegetation. Although this biome does not receive enough rainfall to be classified as a rain forest, it is not dry enough to be a desert.
Savannas are found between the rainforest and deserts. There are 2 distinct seasons, the wet season and the dry season. Anywhere from 15 to 25 inches of rain falls during the summer(wet season). Summers are humid and extremely hot. Winters are very dry, but still warm. The average temperature is about 70 ° F.
Particularly during the dry season the soil becomes extremely unfertile and many of the small grasses and shrubs die off.
In the summer-wet season, the soil in the tropical grassland tends to be very fertile due to constant grazing of large herbivores. The animals also leave behind nutrients and the grasses and small shrubs replenish.
Water is scarce during the winter-dry season, however in the summer months water is somewhat plentiful which allows small shrubs and grasses to thrive.
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