Costco reports net sales of $27.5 billion for December

Costco Wholesale Corp. reported net sales of $27.52 billion for the retail month of December, as Canadian comp sales rose 4.3%.

For the five weeks ended Jan. 5, the company’s net sales increased 9.9% from $25.03 billion last year.

Net sales for the first eighteen weeks were $94.04 billion, a year-over-year increase of 8% from $87.07 billion.

Comp sales were up 9.3% in the U.S., as Other International sales rose 1%. E-commerce sales climbed 34.4%. 

Costco said e-commerce sales in December were positively impacted by an estimated 15 percentage points due to Thanksgiving, Black Friday and Cyber Monday occurring a week later this year. Total and comparable sales were positively impacted by approximately 1% and 1.5% as a result of that shift.