Nepal, Aug. 26 -- For many Americans, the day doesn't begin without a cup of coffee. But a new round of tariffs on coffee imports may soon make that daily ritual cost more.

Coffee prices in the United States jumped 14.5 percent in July from a year earlier, with the average retail price for a pound of ground coffee reaching 8.41 U.S. dollars, according to the U.S. Bureau of Labor Statistics.

The increase came before the United States imposed a 50 percent tariff on coffee from Brazil earlier this month, the world's top producer, a move that could push coffee prices even higher.

"A 50 percent tariff would not only affect us, but likely eliminate all Brazilian coffee coming into the United States," said Dan Hunnewell, co-founder of Cof...