Despite the year-on-year easing, on a month-on-month basis, sales were up 0.4%.
Sales in the three months to the end of October were up 0.3% compared with the same period last year, the statistics agency said.
Numerous factors are in play affecting retail - inflation, which soared during the first half of 2022, as well as constrictions in supply chains caused by logistics challenges.
As for inflation, it slowed to 7.4% year on year in November from 7.6% in October, data from Statistics South Africa showed on Wednesday.
On a month-on-month basis, consumer inflation was at 0.3% in November compared to 0.4% in the previous month.
The latest figures point to a gradual easing of price pressures in Africa's most industrialized economy, after inflation struck a 13-year high of 7.8% year on year in July.