The annual producer price inflation index came in at 5.2% in December 2018, down from 6.8% y/y in the previous month, according to Stats SA.
This was in line with the estimates of analysts.
While producer prices for meat, fish, fruit, vegetables, oils and fats fell by 1.1% compared to a year ago, grain prices and animal feed rose.
The most notable increase over December 2017 was in the coal and petroleum products category, with prices increasing by 12% for diesel.
The PPI index is a weighted index that measures the change in prices that producers receive for their goods.