FallWinter

FallWinter is a term used to describe the transitional period between autumn and winter in temperate climates. It does not denote a fixed meteorological season but a blend of late autumn and early winter conditions. In meteorology, autumn is defined as September through November and winter as December through February in the Northern Hemisphere; the months of November and December are often the core of the FallWinter transition, when temperatures dip, daylight shortens, and precipitation shifts from rain to snow in many regions.

The term is commonly used in fashion and retail to describe seasonal collections that cover both Fall and Winter apparel; brands may label products as FallWinter to indicate year-end lines. In other contexts, FallWinter can describe events, works, or periods that span late autumn into early winter, or the mood and aesthetics associated with those months—cozy layering, early snowfall, and holiday preparations.

Geographically, the concept varies: in the Northern Hemisphere, FallWinter typically aligns with late calendar autumn through early winter, while in the Southern Hemisphere the period corresponds to late autumn through early winter but with opposite months. The term remains informal and context-dependent, not a formal climatological classification.