December 2024 Weather. F all warmth will be widespread across much of the united states but a chillier pattern could arrive by december, according to an outlook released thursday by the weather company and. Discover the most accurate weather forecast for united states in december 2024.

Get the monthly weather forecast for toronto, ontario, canada, including daily high/low, historical averages, to help you plan ahead. As december approaches, global weather models predict significant changes in atmospheric patterns that will shape the start of winter across north america, europe, and parts of asia.