Indonesia is located between two continents and two oceans. They are Asia continent and Australia continent, Hindia Ocean and Pacific Ocean. Indonesia consists of 13.667 islands. So Indonesia is called archipelago country.
The five big islands are, Sumatra Island, Java Island, Kalimantan Island, Sulawesi Island, and irian Jaya Island. The equator line is passes of Indonesia area. Because Indonesia is located two continents and two ocean and on the equator line, so Indonesia has two seasons. Dry season and wet season (rainy season).
In the dry season, the sun is on the northem part of equator. The wind blows from Australia Continent to Asia Continent. Because it passes only narrow sea, it brings a little amount of steam water. It causes a little rain. There is some drought in some part of Indonesia.
In the wet season, the sun is on the southem part of equator. The wind blows from Asia Continent to Australia Continent. Because it passes Wide Ocean, it brings a big amount of steam water. It causes a lot of rain in the some part of Indonesia. And sometimes, it brings flood disaster in some part of Indonesia.