Why spring gets the reputation, and what it actually means
More buyers tend to actively shop in spring, drawn by better weather for viewings and moving, and school-year timing for families wanting to be settled before a new school year. More listings also come to market during the same window, which means a seller in spring is competing with more comparable homes, not just facing more buyer interest — the two roughly offset each other in a traditional listing.
Winter tends to have fewer active buyers, but also fewer competing listings, which can actually work in a motivated seller's favour in a traditional sale — a smaller, more serious buyer pool with less competition to stand out against.
Why this general pattern matters less for an as-is cash sale
Seasonal patterns are mostly a function of buyer traffic and listing competition dynamics in a traditional retail sale — an as-is cash sale, working with a buyer who's actively purchasing year-round regardless of season, doesn't experience the same seasonal swings in the same way. For someone deciding whether to wait for a "better" season before pursuing a cash sale, that wait usually doesn't add the advantage it would in a traditional listing.
What actually matters more than the calendar for most sellers
A seller's own circumstances — a job relocation deadline, an estate that needs settling, a house that's becoming a financial or physical burden the longer it's held — generally outweigh general seasonal patterns in determining the right time to sell. Waiting for a theoretically better season while carrying an unwanted or difficult property has its own real cost, which is worth weighing against any modest seasonal advantage a traditional listing might otherwise offer.