 The Blue Mountains, a temperate oceanic region bordering on Sydney's metropolitan area, have a reputation for snow in winter, with places such as Katoomba, Leura and Blackheath receiving the most snow due to their higher elevation.Despite the reputation though, there are only around five snowy days per year in the upper mountains area with two settled falls per season, and another five to ten days of light snow showers or sleet.Settled snow has become less common in recent decades.