Monsoon
A monsoon was a seasonal period characterized by a prevailing wind often accompanied by heavy rains. 

The planet Hanoran II experienced a monsoon season. In 2375, Jean-Luc Picard was frustrated about the  needing to delay an archaeological expedition to the planet, as the mission would then be moved to the middle of their monsoon season. ()

In 2372, Harry Kim described the storms that gathered around the  as it attempted to land on the planet of the Sky Spirits as monsoon conditions. ()

External link

de:Monsun
Meteorology