Why does it rain in Obi Island?

It will take a long time for it to rain in Obi Island. Official website, a hand tour of Obi Island, knows that the official service of Obi Island is a leisure and educational hand tour, and the game experience is very good. The official announcement that the weather mode of the game is defined by the system makes it impossible to manually calculate when the system will come in rainy days. It rains in different regions. Your area is sunny, and other areas are rainy, which cannot be defined.