🌧️ The monsoon has officially arrived, bringing cooling rain to northern Australia after persistent hot and humid conditions. The initial monsoon onset at Darwin, defined by the seasonal reversal of winds over the tropics, occurred on Tuesday 23 December 2025. Active monsoon periods generally result in wetter weather over much of northern Australia. The monsoon is associated with cloudy conditions, lengthy periods of heavy rain, occasional thunderstorms and fresh to strong squally winds. This o