Complex sentence: Just as the monsoon rain of eastern Asia is seasonally distributed, so too November thunderstorms sometimes pour large amounts of water in several days, while August is frequently completely dry, leading to forest fires.
Split into simpler sentences: Just as the monsoon rain of eastern Asia is seasonally distributed, so too November thunderstorms sometimes pour large amounts of water in several days. By contrast, in August the area is frequently completely dry, leading to forest fires.